| 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: | 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: | 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 |
| 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: | 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 |
| Main Entry: | goofy |
| Part of Speech: | adjective |
| Definition: | silly |
Synonyms: |
crazy, daffy, dippy, ditzy, dopey, dotty, empty-headed, flaky*, foolish, idiotic, kooky, nutty, screwy, stupid, wacky*, weird |
| Main Entry: | harebrained |
| Part of Speech: | adjective |
| Definition: | stupid, unthinking |
Synonyms: |
absurd, asinine, barmy, bizarre, careless, changeable, crazy, dizzy*, empty-headed, featherbrained, flighty, foolish, frivolous, giddy, half-baked, heedless, inane, irresponsible, loony, mindless, preposterous, rash, rattlebrained, reckless, scatterbrained, unstable, unsteady, wacky*, wild |
Antonyms: |
brainy, intelligent, reasonable, sensible, smart, thoughtful |
| Main Entry: | scatterbrained |
| Part of Speech: | adjective |
| Definition: | not thinking clearly |
Synonyms: |
birdbrained, careless, dizzy, empty-headed, featherbrained, flighty, forgetful, frivolous, giddy, harebrained, illogical, inattentive, irrational, irresponsible, madcap, silly, slaphappy, stupid, thoughtless |
Antonyms: |
aware, careful, sensible, thoughtful |
| Main Entry: | shallow |
| Part of Speech: | adjective |
| Definition: | unintelligent, ignorant |
Synonyms: |
cursory, empty, empty-headed, farcical, featherbrained, flighty, flimsy, foolish, frivolous, frothy, half-baked, hollow, idle, inane, lightweight, meaningless, paltry, petty, piddling, puerile, simple, sketchy, skin-deep, slight, superficial, surface, trifling, trivial, uncritical, unthinking, vain, wishy-washy |
| Notes: | callow means lacking experience of life, immature - while shallow means lacking depth of intellect, emotion, or knowledge |
Antonyms: |
aware, considered, deep, intelligent, thoughtful |
| 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 |