n. the blood group whose red cells carry the A antigen

n. a sudden abandonment (as from a political party)

n. a screw that screws into a nut to form a fastener

n. a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech

n. missile used in crossbow archery

n. the part of a lock that is engaged or withdrawn with a key

n. the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps"

n. a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation

n. any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

n. the act of moving with great haste; "he made a dash for the door"

n. a discharge of lightning accompanied by thunder

v. assure payment of

v. swallow hastily

v. move or jump suddenly; "She bolted from her seat"

v. furnish with battens; "batten ships"

v. come into possession of; "How did you obtain the visa?"

v. make or roll into bolts; "bolt fabric"

v. eat hastily without proper chewing; "Don't bolt your food!"

v. secure or lock with a bolt; "bolt the door"

v. leave suddenly and as if in a hurry; "The listeners bolted when he discussed his strange ideas"; "When she started to tell silly stories, I ran out"

v. make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!"

v. cause to be firmly attached; "fasten the lock onto the door"; "she fixed her gaze on the man"

v. run away; usually includes taking something or somebody along; "The thief made off with our silver"; "the accountant absconded with the cash from the safe"

adv. together with somebody, as a companion or in association with: "His little sister came along to the movies"

adj. free from fear or doubt; easy in mind; "secure himself, he went out of his way to help others"

adj. free from danger or risk; "secure from harm"; "his fortune was secure"; "made a secure place for himself in his field"

adj. not likely to fail or give way; "the lock was secure"; "a secure foundation"; "a secure hold on her wrist"

adj. kept safe or defended from danger or injury or loss; "the most protected spot I could find"

adj. free from danger or risk; "secure from harm"; "his fortune was secure"; "made a secure place for himself in his field"

adj. financially sound; "a good investment"; "a secure investment"

adj. able to withstand attack; "an impregnable fortress"; "fortifications that made the frontier inviolable"

n. a thin pointed piece of metal that is hammered into materials as a fastener

n. restraint that attaches to something or holds something in place

n. a small slender (often pointed) piece of wood or metal used to support or fasten or attach things

n. a sharp pointed implement (usually steel)

n. a wooden pin pushed or driven into a surface

n. heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together

n. a fastener that is inserted into holes in two adjacent pieces and holds them together

n. restraint that attaches to something or holds something in place

n. spring-loaded doorlock that can only be opened from the outside with a key

n. a detachable lock; has a hinged shackle that can be passed through the staple of a hasp or the links in a chain and then snapped shut

n. a sudden flash (as of lightning)

n. a smoky fire to drive away insects

v. serve oneself to, or consume regularly; "Have another bowl of chicken soup!"; "I don't take sugar in my coffee"

v. to swallow hurriedly or greedily or in one draught; "The men gulped down their beers"

v. move quickly and violently; "The car tore down the street"; "He came charging into my office"

v. run away; usually includes taking something or somebody along; "The thief made off with our silver"; "the accountant absconded with the cash from the safe"

v. become stable or more stable; "The economy stabilized"

v. prepare (oneself) for something unpleasant or difficult

v. cause to be alert and energetic; "Coffee and tea stimulate me"; "This herbal infusion doesn't stimulate"

v. make stable and keep from fluctuating or put into an equilibrium; "The drug stabilized her blood pressure"; "stabilize prices"

v. convert (assets) into fixed capital

v. kill, preserve, and harden (tissue) in order to prepare for microscopic study

v. come to have or undergo a change of (physical features and attributes); "He grew a beard"; "The patient developed abdominal pains"; "I got funny spots all over my body"; "Well-developed breasts"

v. reason by deduction; establish by deduction

v. pull or pull out sharply; "pluck the flowers off the bush"

v. pluck with tweezers; "tweeze facial hair"

v. take liquid out of a container or well; "She drew water from the barrel"

v. develop or evolve from a latent or potential state

v. seek to employ; "The lab director recruited an able crew of assistants"

v. give preference to one creditor over another

v. register formally as a participant or member; "The party recruited many new members"

v. collect funds for a specific purpose; "The President raised several million dollars for his college"

v. to gain with effort; "she achieved her goal despite setbacks"

v. take (territory) as if by conquest; "Hitler annexed Lithuania"

v. extract by the process of distillation; "distill the essence of this compound"

v. receive a specified treatment (abstract); "These aspects of civilization do not find expression or receive an interpretation"; "His movie received a good review"; "I got nothing but trouble for my good intentions"

v. take temporary possession of as a security, by legal authority; "The FBI seized the drugs"; "The customs agents impounded the illegal shipment"; "The police confiscated the stolen artwork"

v. use up (resources or materials); "this car consumes a lot of gas"; "We exhausted our savings"; "They run through 20 bottles of wine a week"

v. serve oneself to, or consume regularly; "Have another bowl of chicken soup!"; "I don't take sugar in my coffee"

v. overeat or eat immodestly; make a pig of oneself; "She stuffed herself at the dinner"; "The kids binged on icecream"

v. to move about or proceed hurriedly; "so terrified by the extraordinary ebbing of the sea that they scurried to higher ground"

v. run or move very quickly or hastily; "She dashed into the yard"

v. to move hurriedly; "The friend scrambled after them"

v. run away; usually includes taking something or somebody along; "The thief made off with our silver"; "the accountant absconded with the cash from the safe"

v. move along rapidly and lightly; skim or dart; "The hummingbird flitted among the branches"

v. run very fast, usually for a short distance

v. make a promise or commitment

v. be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product"

v. move so that an opening or passage is obstructed; make shut; "Close the door"; "shut the window"

v. bind with a rope, chain, or cord; "lash the horse"

v. make contact or come together; "The two roads join here"

v. mix together different elements; "The colors blend well"

v. come or be in close contact with; stick or hold together and resist separation; "The dress clings to her body"; "The label stuck to the box"; "The sushi rice grains cohere"

v. direct one's attention on something; "Please focus on your studies and not on your hobbies"

v. tie with a strap

v. confine or restrain with or as if with manacles or handcuffs; "The police handcuffed the suspect at the scene of the crime"

v. cause to become joined or linked; "join these two parts so that they fit together"

v. guide the actors in (plays and films)

v. set straight or right; "remedy these deficiencies"; "rectify the inequities in salaries"; "repair an oversight"

v. to make better; "The editor improved the manuscript with his changes"

v. make tight or tighter; "Tighten the wire"

v. become tight or tighter; "The rope tightened"

v. move with or as if with a rushing sound; "The cars hurtled by"

v. move with a low humming noise

v. go upward with gradual or continuous progress; "Did you ever climb up the hill behind your house?"

v. get lost, as without warning or explanation; "He disappeared without a trace"

v. run or move very quickly or hastily; "She dashed into the yard"

v. travel through the air; be airborne; "Man cannot fly"

v. be dispersed or disseminated; "Rumors and accusations are flying"

v. move quickly and violently; "The car tore down the street"; "He came charging into my office"

v. move along rapidly and lightly; skim or dart; "The hummingbird flitted among the branches"

v. step on it; "He rushed down the hall to receive his guests"; "The cars raced down the street"

v. to move about or proceed hurriedly; "so terrified by the extraordinary ebbing of the sea that they scurried to higher ground"

v. to move hurriedly; "The friend scrambled after them"

v. leave suddenly and as if in a hurry; "The listeners bolted when he discussed his strange ideas"; "When she started to tell silly stories, I ran out"

v. run very fast, usually for a short distance

v. leave suddenly; "She persuaded him to decamp"; "skip town"

v. run naked in a public place

v. move very fast; "The runner zipped past us at breakneck speed"

v. move fast by using one's feet, with one foot off the ground at any given time; "Don't run--you'll be out of breath"; "The children ran to the store"

v. flee; take to one's heels; cut and run; "If you see this man, run!"; "The burglars escaped before the police showed up"

v. go at galloping speed; "The horse was galloping along"

v. move forward by leaps and bounds; "The horse bounded across the meadow"; "The child leapt across the puddle"; "Can you jump over the fence?"

v. move or jump suddenly; "She bolted from her seat"

adj. marked by firm determination or resolution; not shakable; "firm convictions"; "a firm mouth"; "steadfast resolve"; "a man of unbendable perseverence"; "unwavering loyalty"

adj. firm and dependable; subject to little fluctuation; "the economy is stable"

adj. having or feeling no doubt or uncertainty; confident and assured; "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends"

adj. having rugged physical strength; inured to fatigue or hardships; "hardy explorers of northern Canada"; "proud of her tall stalwart son"; "stout seamen"; "sturdy young athletes"

adj. having desirable or positive qualities especially those suitable for a thing specified; "good news from the hospital"; "a good report card"; "when she was good she was very very good"; "a good knife is one good for cutting"; "this stump will make a good picnic table"; "a good check"; "a good joke"; "a good exterior paint"; "a good secretary"; "a good dress for the office"

adj. having a good reputation; "a reputable business"; "a reputable scientist"; "a reputable wine"

adj. worthy of often limited commendation; "the student's effort on the essay--though not outstanding--was creditable"

adj. worthy of being depended on; "a dependable worker"; "an honest working stiff"; "a reliable source of information"; "he was true to his word"; "I would be true for there are those who trust me"

adj. worthy of trust or belief; "a trustworthy report"; "an experienced and trustworthy traveling companion"

adj. of good quality and condition; solidly built; "a solid foundation"; "several substantial timber buildings"

v. eat a large amount of food quickly; "The children gobbled down most of the birthday cake"

v. adopt; "take up new ideas"

v. change location; move, travel, or proceed; "How fast does your new car go?"; "We travelled from Rome to Naples by bus"; "The policemen went from door to door looking for the suspect"; "The soldiers moved towards the city in an attempt to take it before night fell"

adj. immune to attack; impregnable; "gunners raked the beach from invulnerable positions on the cliffs"

adj. kept safe or defended from danger or injury or loss; "the most protected spot I could find"

adj. free from danger or the risk of harm; "a safe trip"; "you will be safe here"; "a safe place"; "a safe bet"

adj. immune to attack; impregnable; "gunners raked the beach from invulnerable positions on the cliffs"

adj. free from danger or risk; "secure from harm"; "his fortune was secure"; "made a secure place for himself in his field"

adj. eliminating danger by compensating automatically for a failure or malfunction; "a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident"

adj. unlikely to harm or disturb anyone; "harmless old man"

adj. freed from danger or blame or obligation; "I let him off the hook with a mild reprimand"

adj. thought to be devoid of risk

adj. free from danger or injury; "the children were found safe and sound"

adj. in excellent condition: "good teeth"; "I still have one good leg"

adj. financially secure and functioning well; "a healthy economy"

adj. characterized by good substantial quality; "solid comfort"; "a solid base hit"

adj. firm and dependable; subject to little fluctuation; "the economy is stable"

adj. not harmed or spoiled; sound

adj. able to resist the explosive force of bombs and shells; "bombproof shelter"

adj. capable of being defended

adj. dug in

adj. impossible to understand; "impenetrable jargon"

adj. beyond the reach of criticism or attack or impeachment; "for the first time criticism was directed at a hitherto untouchable target"- Newsweek

v. bite off very small pieces; "She nibbled on her cracker"

v. undo the bolt of; "unbolt the door"

v. cause to become undone; "unfasten your belt"

v. cause to become detached or separated; take off; "detach the skin from the chicken before you eat it"

v. cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"

adj. lacking self-confidence or assurance; "an insecure person lacking mental stability"

adj. lacking in security or safety; "his fortune was increasingly insecure"; "an insecure future"

adj. lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers"

adj. of uncertain outcome; especially fraught with risk; "an extremely dicey future on a brave new world of liquid nitrogen, tar, and smog"- New Yorker

adj. not firm or firmly fixed; likely to fail or give way; "the hinge is insecure"

adj. not fixed firmly or tightly; "the bolts became loose over time"; "a loose chair leg"; "loose bricks"

adj. lacking protection or defense

adj. with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound"

adj. susceptible to attack; "a vulnerable bridge"