adj. occurring in spells and often abruptly; "fitful bursts of energy"; "spasmodic rifle fire"

adj. affected by involuntary jerky muscular contractions; resembling a spasm; "convulsive motions"; "his body made a spasmodic jerk"; "spastic movements"

adj. uncertain how to act or proceed; "the committee was timid and mediocre and irresolute"

adj. undecided or characterized by indecisiveness

adj. lacking or not affording physical or mental rest; "a restless night"; "she fell into an uneasy sleep"

adj. troubled emotionally and usually deeply; "agitated parents"

adj. easily agitated; "a nervous addict"; "a nervous thoroughbred"

adj. causing an irritating cutaneous sensation; being affect with an itch; "he had an itchy toe from the mosquito bite"

adj. causing or fraught with or showing anxiety; "spent an anxious night waiting for the test results"; "cast anxious glances behind her"; "those nervous moments before takeoff"; "an unquiet mind"

adj. intermittently stopping and starting; "fitful (or interrupted) sleep"; "off-and-on static"

adj. marked by erratic changeableness in affections or attachments; "fickle friends"; "a flirt's volatile affections"

adj. liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next"

adj. (used of a device) designed so that a property (as e.g. light) can be varied; "a variable capacitor"; "variable filters in front of the mercury xenon lights"

adj. not to be trusted

adj. not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"

adj. lacking stability or fixity or firmness; "unstable political conditions"; "the tower proved to be unstable in the high wind"; "an unstable world economy"

adj. not worthy of trust or belief; "an untrustworthy person"

adj. such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices"

adj. changeable or inconstant; "versatile moods"

adj. stopping and starting at irregular intervals; "intermittent rain showers"

adj. recurring or reappearing from time to time; "periodic feelings of anxiety"

adj. not occurring at expected times

adj. (of an animal) having no home or having wandered away from home; "a stray calf"; "a stray dog"

adj. (of the voice) quivering as from weakness or fear; "the old lady's quavering voice"; "spoke timidly in a tremulous voice"

adj. unsteady in gait as from infirmity or old age; "a tottering skeleton of a horse"; "a tottery old man"

adj. unsteady in speech or action

adj. shining unsteadily

adj. having unpredictable ups and downs; "fluctuating prices"

adj. so surprisingly impressive as to stun or overwhelm; "such an enormous response was astonishing"; "an astounding achievement"; "the amount of money required was staggering"; "suffered a staggering defeat"; "the figure inside the boucle dress was stupefying"

adj. having a slight and rapid trembling motion; "palpitant movements rather than violent eruptions"; "my palpitating heart"

adj. vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze; "a quaking bog"; "the quaking child asked for more"; "quivering leaves of a poplar tree"; "with shaking knees"; "seemed shaky on her feet"; "sparkling light from the shivering crystals of the chandelier"; "trembling hands"

adj. "a quaking bog"

adj. (of sound) fluctuating unsteadily; "a low-pitched wobbling sound"