| 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: | absent-minded |
| Part of Speech: | adjective |
| Definition: | out to lunch |
Synonyms: |
absent, absorbed, abstracted, airheaded, airheaded, bemused, careless, daydreaming, distracted, distrait, dreaming, dreamy, engrossed, faraway, forgetful, goofing off, head in the clouds, heedless, inattentive, inconscient, lost, mooning, moony, oblivious, out to lunch, pipe dreaming, preoccupied, remote, removed, scatterbrained, space cadet, spacey, spacey, surroundings, unaware of events, unconscious, unheeding, unmindful, unobservant, unthinking, withdrawn, woolgathering |
Antonyms: |
alert, attentive, aware |
| Main Entry: | ditsy |
| Part of Speech: | adjective |
| Definition: | silly |
Synonyms: |
airbrained, airheaded, daffy, dippy, dipsy, dizzy*, dopey, eccentric, empty, giddy, goofy*, inane, kooky, rattlebrained, scatterbrained |
| Main Entry: | dull |
| Part of Speech: | adjective |
| Definition: | unintelligent |
Synonyms: |
addled, backward, besotted, boring, brainless, daffy, daft, dense, dim, dim-witted, doltish, dumb, feeble-minded, half-baked, ignorant, imbecilic, indolent, insensate, low, moronic, not bright, numskulled, obtuse, scatterbrained, shallow, simple, simple-minded, slow, sluggish, stolid, stupid, tedious, thick, unintellectual, vacuous, wearisome, witless |
Antonyms: |
intelligent, keen, sharp, smart, witty |
| 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: | 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: | inattentive |
| Part of Speech: | adjective |
| Definition: | negligent, not paying attention |
Synonyms: |
absent, absentminded, apathetic, blind, bored, careless, distracted, distrait, distraught, diverted, dreamy, faraway, heedless, inadvertent, indifferent, inobservant, listless, lost*, musing, neglectful, oblivious, off-guard, out to lunch, preoccupied, rapt, regardless, remiss, removed, scatterbrained, thoughtless, unconscious, undiscerning, unheeding, unmindful, unnoticing, unobservant, unobserving, unperceiving, unthinking, unwatchful, vague |
Antonyms: |
attentive, heedful, looking, noticing, observant |
| Main Entry: | irresponsible |
| Part of Speech: | adjective |
| Definition: | careless, reckless |
Synonyms: |
capricious, carefree, devil-may-care, feckless, fickle, flighty, fly-by-night, giddy, harebrained, ill-considered, immature, immoral, incautious, lax, loose*, no-account, rash, scatterbrained, shiftless, thoughtless, unaccountable, unanswerable, uncareful, undependable, unpredictable, unreliable, unstable, untrustworthy, wild |
Antonyms: |
accountable, careful, liable, reliable, responsible, trustworthy |