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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | insane |
| Synonyms: | around the bend, batty, bizarre, brainsick, cracked, crazed, crazy, crazy as a loon, cuckoo, daft, demented, derailed, deranged, disordered, distraught, dotty, fatuous, frenzied, idiotic, impractical, irrational, irresponsible, loony, lunatic, ma, mad |
| Main Entry: | capricious |
| Part of Speech: | adjective |
| Definition: | given to sudden behavior change |
| Synonyms: | any way the wind blows, arbitrary, blowing hot and cold, careless, changeful, contrary, crotchety, effervescent, erratic, every which way, fanciful, fickle, fitful, flaky*, flighty, freakish, gaga, helter-skelter, humorsome, impulsive, inconstant, kinky*, lubricious, mercurial, moody, mutable, notional, odd, picky*, punchy, queer, quirky, temperamental, ticklish, unpredictable, unreasonable, unstable, up and down, vagarious, variable, volatile, wayward, whimsical, yo-yo |
| Antonyms: | constant, dependable, sensible, staid, steadfast, steady |
* = informal/non-formal usage
| Main Entry: | dizzy |
| Part of Speech: | adjective |
| Definition: | light-headed, confused |
| Synonyms: | addled, befuddled, bemused, bewildered, blind, blinded, dazed, dazzled, distracted, disturbed, dumb, dumbfounded, faint, gaga, giddy, groggy, hazy, light, muddled, off balance, out of control, punch-drunk, punchy, puzzled, reeling, shaky, slap-happy, staggered, staggering, swimming*, tipsy, unsteady, upset, vertiginous, weak in the knees, weak-kneed, whirling, wobbly, woozy |
| Antonyms: | clear, clear-headed, unconfused |
* = informal/non-formal usage
| Main Entry: | enthusiastic |
| Part of Speech: | adjective |
| Definition: | interested, excited |
| Synonyms: | agog, animated, anxious, ardent, athirst, attracted, avid, bugged, concerned, crazy about, devoted, dying to, eager, earnest, ebullient, exhilarated, exuberant, fanatical, fascinated, fervent, fervid, forceful, gaga, gone on, gung ho, hearty, intent, keen, keyed up, lively, nutty, obsessed, passionate, pleased, rabid, red-hot, rhapsodic, spirited, tantalized, thrilled, titillated, unqualified, vehement, vigorous, wacky*, warm, wholehearted, willing, zealous |
| Antonyms: | apathetic, disinterested, doubting, indifferent, lethargic, pessimistic, unenthusiastic, unexcited, weary |
* = informal/non-formal usage
| Main Entry: | flighty |
| Part of Speech: | adjective |
| Definition: | fickle, irresponsible |
| Synonyms: | airheaded, birdbrained, bubbleheaded, capricious, changeable, dingbat, dingdong, dizzy*, effervescent, empty-headed, featherbrained, frivolous, gaga, giddy, harebrained, impetuous, impulsive, inconstant, lightheaded, lively, mercurial, scatterbrained, silly, thoughtless, twit, unbalanced, unstable, unsteady, volatile, whimsical, wild |
| Antonyms: | responsible |
* = informal/non-formal usage
| Main Entry: | giddy |
| Part of Speech: | adjective |
| Definition: | silly, impulsive |
| Synonyms: | bemused, brainless, bubbleheaded, capricious, careless, changeable, changeful, ditzy, dizzy, empty-headed, erratic, fickle, flighty, flustered, frivolous, gaga, heedless, inconstant, irresolute, irresponsible, lightheaded, punchy, reckless, reeling, scatterbrained, skittish, slaphappy, swimming*, thoughtless, unbalanced, unsettled, unstable, unsteady, vacillating, volatile, whimsical, whirling, wild, woozy |
| Antonyms: | calm, careful, level-headed, sensible, serious |
* = informal/non-formal usage
| Main Entry: | light-headed |
| Part of Speech: | adjective |
| Definition: | silly; feeling faint |
| Synonyms: | changeable, delirious, dizzy, empty, featherbrained, fickle, flighty, flippant, foolish, frivolous, gaga, giddy, harebrained, hazy, punchy, reeling, rocky, scatterbrained, shallow, superficial, swimming, swimmy, tired, trifling, vertiginous, whirling, woozy |
| Antonyms: | healthy, ok, sober |
| Main Entry: | mercurial |
| Part of Speech: | adjective |
| Definition: | flighty, temperamental |
| Synonyms: | blowing hot and cold, bubbleheaded, buoyant, capricious, changeable, effervescent, elastic, erratic, expansive, fickle, flaky, flip*, fluctuating, gaga, gay, impulsive, inconstant, irregular, irrepressible, lighthearted, lively, lubricious, mad, mobile, movable, quicksilver, resilient, short-fuse, spirited, sprightly, ticklish, unpredictable, unstable, up-and-down, variable, volatile, yo-yo |
| Antonyms: | calm, tranquil, unchangeable, unperturbable, unvarying |
* = informal/non-formal usage
| Main Entry: | slaphappy |
| Part of Speech: | adjective |
| Definition: | dazed |
| Synonyms: | befuddled, bewildered, dazzled, gaga, giddy, groggy, hazy, punch-drunk, punchy, puzzled, senile, silly, staggered, staggering, tipsy, unsteady, weak in the knees, weak-kneed, wobbly, woozy |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
