| Main Entry: | |
| Part of Speech: | verb |
| Definition: | vacillate, change |
| Synonyms: | alter, alternate, be undecided, blow hot and cold, ebb and flow, flutter, go up and down, hem and haw, hesitate, oscillate, rise and fall, seesaw, shift, swing, undulate, vary, veer, vibrate, wave, waver, yo-yo |
| Antonyms: | hold, persist, remain, stay |
| Main Entry: | ambivalent |
| Part of Speech: | adjective |
| Definition: | conflicting |
| Synonyms: | clashing, contradictory, debatable, doubtful, equivocal, fluctuating, hesitant, inconclusive, irresolute, mixed, opposed, uncertain, undecided, unresolved, unsure, vacillating, warring, wavering |
| Antonyms: | certain, definite, resolved, settled, sure, unequivocal |
| Main Entry: | beat |
| Part of Speech: | verb |
| Definition: | throb |
| Synonyms: | agitate, alternate, bob, bounce, buffet, flap, flicker, fluctuate, flutter, heave, jerk, jounce, oscillate, palpitate, pitch, pound, pulsate, pulse, quake, quaver, quiver, ripple, shake, shiver, swing, thrill, throb, thump, tremble, twitch, undulate, vibrate, writhe |
| Main Entry: | change |
| Part of Speech: | verb |
| Definition: | make or become different |
| Synonyms: | accommodate, adapt, adjust, alter, alternate, commute, convert, diminish, diverge, diversify, evolve, fluctuate, make innovations, make over, merge, metamorphose, moderate, modify, modulate, mutate, naturalize, recondition, redo, reduce, reform, regenerate, remake, remodel, renovate, reorganize, replace, resolve, restyle, revolutionize, shape, shift, substitute, tamper with, temper, transfigure, transform, translate, transmute, transpose, turn, vacillate, vary, veer, warp |
| Antonyms: | continue, hold, keep, persist, remain, stay |
| Main Entry: | changeable |
| Part of Speech: | adjective |
| Definition: | erratic |
| Synonyms: | agitated, capricious, changeful, commutative, convertible, fickle, fitful, flighty, fluctuating, fluid, impulsive, inconstant, indecisive, irregular, irresolute, irresponsible, kaleidoscopic, mercurial, mobile, movable, mutable, permutable, protean, restless, reversible, revocable, shifting, skittish, spasmodic, transformable, transitional, uncertain, unpredictable, unreliable, unsettled, unstable, unsteady, vacillating, vagrant, variable, variant, varying, versatile, volatile, wavering, whimsical |
| Antonyms: | certain, changeless, constant, fixed, lasting, reliable, stable, steady, sure, unchangeable, undeviating |
| Main Entry: | doubt |
| Part of Speech: | verb |
| Definition: | lack confidence in; question |
| Synonyms: | be apprehensive of, be curious, be dubious, be in a quandary, be puzzled, be uncertain, be undetermined, call in question, challenge, demur, disbelieve, discredit, dispute, distrust, fear, fluctuate, give no credence, harbor suspicion, have qualms, hesitate, imagine, impugn, insinuate, misdoubt, misgive, mistrust, not buy, query, read differently, scruple, shilly-shally, skepticize, smell a rat, surmise, suspect, take dim view of, vacillate, waver, wonder at |
| Antonyms: | be certain, believe, not question, rely, trust |
| Main Entry: | faithless |
| Part of Speech: | adjective |
| Definition: | disloyal |
| Synonyms: | capricious, changeable, changeful, cheating, deceitful, dishonest, double-crossing, double-dealing, doubting, dubious, false, fickle, fluctuating, inconstant, perfidious, recreant, skeptical, traitorous, treacherous, two-faced, two-timing, unbelieving, unconverted, unfaithful, unloyal, unreliable, unstable, untrue, untrustworthy, untruthful, wavering |
| Antonyms: | believing, constant, faithful, loyal, reliable, true |
| Main Entry: | falter |
| Part of Speech: | verb |
| Definition: | stumble, stutter |
| Synonyms: | be undecided, bobble, break, drop the ball, flounder, fluctuate, fluff, halt, hem and haw, hesitate, lurch, quaver, reel, rock, roll, scruple, shake, speak haltingly, stagger, stammer, stub toe, teeter, topple, totter, tremble, trip up, vacillate, waver, whiffle, wobble |
| Antonyms: | continue, endure, maintain, persist, remain, stay |
| Main Entry: | fitful |
| Part of Speech: | adjective |
| Definition: | irregular, sporadic |
| Synonyms: | bits and pieces, broken, capricious, catchy*, changeable, desultory, disturbed, erratic, flickering, fluctuating, haphazard, herky-jerky, hit-or-miss, impulsive, inconstant, intermittent, interrupted, on-again-off-again, periodic, random, recurrent, restive, restless, shifting, spasmodic, spastic, spotty, unstable, variable |
| Antonyms: | constant, continuous, even, regular, undisturbed, unvarying |