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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | immature, silly |
| Synonyms: | adolescent, baby, babyish, callow, childlike, foolish, frivolous, green, infantile, infantine, innocent, jejune, juvenile, kid stuff, naive, puerile, unsophisticated, young, youthful |
| Notes: | childlike refers to a person's temperament, whereas childish refers to a person's behavior |
| Antonyms: | adult, mature, sensible, serious, wise |
| Main Entry: | childlike |
| Part of Speech: | adjective |
| Definition: | innocent, naive |
| Synonyms: | artless, childish, credulous, guileless, immature, ingenuous, natural, simple, spontaneous, trustful, trusting, unaffected, unfeigned |
| Notes: | childlike refers to a person's temperament, whereas childish refers to a person's behavior |
| Antonyms: | complicated, untrusting |
| Main Entry: | frivolous |
| Part of Speech: | adjective |
| Definition: | trivial, silly |
| Synonyms: | barmy, childish, dizzy*, empty-headed, facetious, featherbrained, flighty, flip, flippant, foolish, gay, giddy*, harebrained, idiotic, idle, ill-considered, impractical, juvenile, light, light-minded, minor, niggling, nonserious, not serious, paltry, peripheral, petty, playful, pointless, puerile, scatterbrained, senseless, shallow, sportive, superficial, tongue-in-cheek, unimportant, unprofound, volatile, whimsical |
| Antonyms: | grave, mature, sensible, serious, solemn, thoughtful, wise |
* = informal/non-formal usage
| Main Entry: | immature |
| Part of Speech: | adjective |
| Definition: | young, inexperienced |
| Synonyms: | adolescent, baby, babyish, callow, childish, crude, green*, half-grown, imperfect, infantile, infantine, jejune, juvenile, kid, kidstuff, premature, puerile, raw, sophomoric, tender*, tenderfoot, underdeveloped, undergrown, undeveloped, unfinished, unfledged, unformed, unripe, unseasonable, unseasoned, unsophisticated, untimely, wet behind ears, youthful |
| Antonyms: | adult, developed, experienced, grown, mature, old |
* = informal/non-formal usage
| Main Entry: | infant/infantile |
| Part of Speech: | adjective |
| Definition: | very young |
| Synonyms: | baby, babyish, callow, childish, childlike, dawning, developing, early, emergent, green*, growing, immature, infantine, initial, juvenile, kid, naive, nascent, newborn, puerile, tender, unfledged, unripe, weak, youthful |
| Antonyms: | adult, grown-up, mature |
* = informal/non-formal usage
| Main Entry: | kittenish |
| Part of Speech: | adjective |
| Definition: | frisky, playful |
| Synonyms: | childish, coquettish, coy, elvish, flirtatious, frolicsome, fun-loving, impish, jaunty, mischievous, sportive |
| Antonyms: | lethargic, stiff, unplayful |
| Main Entry: | peevish |
| Part of Speech: | adjective |
| Definition: | irritable, testy |
| Synonyms: | acrimonious, angry, bad-tempered, cantankerous, captious, carping, caviling, childish, churlish, complaining, crabbed, cranky, critical, cross, crotchety, crusty, cussed, fault-finding, fractious, fretful, fretting, grouchy, grousing, growling, grumpy, huffy, ill-natured, mean, morose, obstinate, ogre, ornery, out-of-sorts, pertinacious, petulant, querulous, short-tempered, snappy, splenetic, sulky, sullen, surly, tetchy, touchy, ugly, waspish, waspy, whining |
| Antonyms: | accepting, friendly, happy, pleasant |
| Main Entry: | silly |
| Part of Speech: | adjective |
| Definition: | absurd, giddy, foolish |
| Synonyms: | asinine, balmy, brainless, childish, crazy, dippy, dizzy*, empty, empty-headed, fatuous, featherbrained, flighty, foolhardy, frivolous, harebrained, idiotic, ignorant, illogical, immature, imprudent, inane, inappropriate, inconsistent, irrational, irresponsible, ludicrous, meaningless, muddle-headed, nitwitted, nonsensical, pointless, preposterous, puerile, ridiculous, senseless, sheepheaded, simple, simpleminded, stupid, unintelligent, unreasonable, unwise, vacuous, witless |
| Antonyms: | mature, mundane, practical, sensible, serious, wise |
* = informal/non-formal usage
| Main Entry: | simple |
| Part of Speech: | adjective |
| Definition: | childlike, innocent |
| Synonyms: | amateur, artless, bald, basic, childish, direct, frank, green, guileless, honest, ingenuous, naive, naked, natural, plain, sincere, square, stark, trusting, unaffected, unartificial, undeniable, unexperienced, unpretentious, unschooled, unsophisticated, unstudied, unvarnished |
| Notes: | simple means 'plain, uncomplicated'; simplistic means 'characterized by a forced, unwarranted simplicity' |
| Antonyms: | mature, older, sophisticated |
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.
