n. a light strong brittle grey toxic bivalent metallic element

n. operating system company

v. spend or use time; "I may be an hour"

v. exert oneself by doing mental or physical work for a purpose or out of necessity; "I will work hard to improve my grades"; "she worked hard for better living conditions for the poor"

v. have an existence, be extant; "Is there a God?"

v. have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"

v. occupy a certain position or area; be somewhere; "Where is my umbrella?" "The toolshed is in the back"; "What is behind this behavior?"

v. be identical to; be someone or something; "The president of the company is John Smith"; "This is my house"

v. be priced at; "These shoes cost $100"

v. have life, be alive; "Our great leader is no more"; "My grandfather lived until the end of war"

v. form or compose; "This money is my only income"; "The stone wall was the backdrop for the performance"; "These constitute my entire belonging"; "The children made up the chorus"; "This sum represents my entire income for a year"; "These few men comprise his entire army"

v. occupy a certain position or area; be somewhere; "Where is my umbrella?" "The toolshed is in the back"; "What is behind this behavior?"

v. be identical or equivalent to; "One dollar equals 1,000 rubles these days!"

v. represent, as of a character on stage; "Derek Jacobi was Hamlet"

adj. not easily borne; wearing; "the burdensome task of preparing the income tax return"; "my duties weren't onerous; I only had to greet the guests"; "a taxing schedule"

v. put up with something or somebody unpleasant; "I cannot bear his constant criticism"; "The new secretary had to endure a lot of unprofessional remarks"; "he learned to tolerate the heat"; "She stuck out two years in a miserable marriage"

v. persist for a specified period of time; "The bad weather lasted for three days"

v. satisfy a condition or restriction; "Does this paper meet the requirements for the degree?"

v. duplicate or match; "The polished surface twinned his face and chest in reverse"

v. be parallel to; "Their roles are paralleled by ours"

v. be co-ordinated; "These activities coordinate well"

v. make or cause to be or to become; "make a mess in one's office"; "create a furor"

v. give the name or identifying characteristics of; refer to by name or some other identifying characteristic property; "Many senators were named in connection with the scandal"; "The almanac identifies the auspicious months"

v. represent in bodily form; "He embodies all that is evil wrong with the system"; "The painting substantiates the feelings of the artist"

v. have as a meaning; "`multi-' denotes `many' "

v. express or state indirectly

v. suggest as a logically necessary consequence; in logic

v. mean or intend to express or convey; "You never understand what I mean!"; "what do his words intend?"

v. convey or express a meaning; "These words mean nothing to me!"; "What does his strange behavior signify?"

adj. characterized by toilsome effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace"

adj. impressively difficult; "a tall order"

adj. characterized by or performed with much energy or force; "strenuous exercise"

adj. causing vexation or worry: "trying times"; "serious problems"

adj. so lacking in interest as to cause mental weariness; "a boring evening with uninteresting people"; "the deadening effect of some routine tasks"; "a dull play"; "his competent but dull performance"; "a ho-hum speaker who couldn't capture their attention"; "what an irksome task the writing of long letters is"- Edmund Burke; "tedious days on the train"; "the tiresome chirping of a cricket"- Mark Twain; "other people's dreams are dreadfully wearisome"

adj. causing irritation or annoyance; "tapping an annoying rhythm on his glass with his fork"; "aircraft noise is particularly bothersome near the airport"; "found it galling to have to ask permission"; "an irritating delay"; "nettlesome paperwork"; "a pesky mosquito"; "swarms of pestering gnats"; "a plaguey newfangled safety catch"; "a teasing and persistent thought annoyed him"; "a vexatious child"; "it is vexing to have to admit you are wrong"

adj. requiring precise accuracy; "an exacting job"; "became more exigent over his pronunciation"

adj. having a debilitating effect; "an exhausting job in the hot sun"

adj. not forbearing; ruthless; "an unsparing critic"

adj. (of sleep) deep and complete; "a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"

adj. causing distress or worry or anxiety; "distressing (or disturbing) news"; "lived in heroic if something distressful isolation"; "a disturbing amount of crime"; "a revelation that was most perturbing"; "a new and troubling thought"; "in a particularly worrisome predicament"; "a worrying situation"; "a worrying time"

adj. made heavy or weighted down with weariness; "his leaden arms"; "weighted eyelids"

adj. weighing heavily on the senses or spirit; "the atmosphere was oppressive"; "oppressive sorrows"

v. be different; "These two tests differ in only one respect"