| 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 |
| Main Entry: | aimless |
| Part of Speech: | adjective |
| Definition: | having no goal |
Synonyms: |
accidental, any which way, bits-and-pieces, blind, capricious, careless, casual, chance, desultory, directionless, drifting, erratic, fanciful, fickle, fits and starts, flighty, fortuitous, frivolous, goalless, haphazard, heedless, hit-or-miss, indecisive, indiscriminate, irresolute, objectless, pointless, purposeless, random, shiftless, stray, thoughtless, unavailing, undirected, unguided, unplanned, unpredictable, vagrant, wandering, wanton, wayward |
Antonyms: |
determined, directed, goal-oriented, motivated, pointed, purposeful, resolute |
| Main Entry: | airy |
| Part of Speech: | adjective |
| Definition: | delicate or ethereal |
Synonyms: |
dainty, diaphanous, flimsy, fragile, frail, frivolous, illusory, imaginary, immaterial, intangible, light, rare, rarefied, tenuous, thin, vaporous, visionary, volatile, weightless, wispy |
Antonyms: |
heavy |
| Main Entry: | arbitrary |
| Part of Speech: | adjective |
| Definition: | whimsical, chance |
Synonyms: |
approximate, capricious, discretionary, erratic, fanciful, frivolous, inconsistent, injudicious, irrational, irresponsible, offhand, optional, random, subjective, supercilious, superficial, unaccountable, unreasonable, unscientific, wayward, willful |
Antonyms: |
circumspect, rational, reasonable, reasoned, supported |
| Main Entry: | childish |
| 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: | dizzy |
| Part of Speech: | adjective |
| Definition: | flighty, scatterbrained |
Synonyms: |
capricious, changeable, crazy, empty-headed, fatuous, feather-brained, fickle, foolish, frivolous, giddy, harebrained, heady, inane, light-headed, silly, skittish, unstable |
Antonyms: |
clear-thinking, sensible, smart |
| Main Entry: | empty |
| Part of Speech: | adjective |
| Definition: | fruitless, ineffective |
Synonyms: |
aimless, banal, barren, cheap, dead, deadpan, devoid, dishonest, dumb, expressionless, fatuous, flat, frivolous, futile, hollow, idle, ignorant, inane, ineffectual, inexpressive, insincere, insipid, jejune, meaningless, nugatory, otiose, paltry, petty, purposeless, senseless, silly, trivial, unintelligent, unreal, unsatisfactory, unsubstantial, vacuous, vain, valueless, vapid, worthless |
Antonyms: |
abundant, copious, effective, fruitful, productive, sufficient |
| Main Entry: | empty-headed |
| Part of Speech: | adjective |
| Definition: | flighty, scatterbrained |
Synonyms: |
brainless, dizzy, featherbrained, frivolous, giddy, harebrained, ignorant, illiterate, inane, know-nothing, silly, skittish, stupid, uneducated, unschooled, untaught, vacant, vacuous |
Antonyms: |
cognizant, intelligent, sensible, slick, smart |
| Main Entry: | facetious |
| Part of Speech: | adjective |
| Definition: | tongue-in-cheek, kidding |
Synonyms: |
amusing, blithe, capering, clever, comic, comical, droll, dry, fanciful, farcical, flip*, flippant, frivolous, funny, gay, humorous, indecorous, ironic, irreverent, jesting, jocose, jocular, joking, joshing, laughable, ludicrous, merry, not serious, playful, pleasant, pulling one's leg, punning, putting one on, ridiculous, salty, sarcastic, satirical, smart, sportive, sprightly, waggish, whimsical, wisecracking, witty, wry |
Antonyms: |
formal, grave, serious, unfunny |
| Main Entry: | fast |
| Part of Speech: | adjective |
| Definition: | immoral, promiscuous |
Synonyms: |
bawdy, careless, debauched, depraved, devil-may-care, dissipated, dissolute, easy, extravagant, flirtatious, frivolous, gadabout, giddy, incontinent, indecent, intemperate, lascivious, lecherous, lewd, libertine, libidinous, licentious, light, loose, lustful, profligate, rakish, reckless, salacious, self-gratifying, self-indulgent, sportive, sporty, unchaste, wanton, wild |
Antonyms: |
good, moral, upright |