Part of speech:
Unintelligible, foolish, silly, absurd, etc.
Impossible to take seriously; silly:
Immature, especially in being silly or trivial; childish.
So senseless as to be laughable
Of or like an ass; esp., having qualities regarded as characteristic of asses; stupid, silly, obstinate, etc.
Of, having the nature of, or characteristic of an idiot; very foolish or stupid
Extremely foolish or silly.
Odd, foolish, crazy, etc.
Resulting from or acting with ill-considered haste or boldness.
Easy to understand, do, or carry out:
Having or showing a lack or deficiency of intelligence
Lacking intelligence or wit; foolish.
Extremely foolish or stupid.
Relating to or resembling a goose.
The definition of preposterous is something that is absurd or ridiculous.
Eccentric or irrational:
Displaying a complete lack of forethought and good sense
Mentally deranged; crazy.
Foolish; ridiculous; absurd:
The definition of crazy is someone or something that is insane or not mentally sound.
(Scot.) Merry or frolicsome in a giddy way
Dizzy is defined as feeling lightheaded or dazed as if from spinning.
Trembling, tottering, or exhibiting mental impairment associated with aging.
Conspicuously unintelligent; stupid:
The definition of fatuous is foolish or silly.
(Informal) Like or characteristic of a goof; stupid and silly
Having or showing little sense; foolish:
Not prudent; without thought of the consequences; lacking in judgment or caution; rash; indiscreet
Showing a lack of judgment, sense, or reason; inappropriate or foolish:
Irrational is defined as lacking reason or understanding.
Comical or ludicrous because of incongruity or strangeness.
(Slang) Rude and disrespectful; impudent.
Exhibiting or characterized by careful thought:
Full of caution; careful to avoid danger; circumspect; wary
(Archaic) Feeling or causing sorrow, worry, etc.; anxious
Circumspect is defined as cautious and unwilling to take risks.
Characterized by insanity or the utmost folly; chimerical; unpractical; as, an insane plan, attempt, etc.
Lunatic is defined as someone or something that is wild, crazy or absurd.
(Slang) Excellent; wonderful:
Showing foolishness or stupidity.
Lacking judgment, realism, or firmness.
Not sensible; foolish.
(Slang) Foolish; silly:
(Slang) Nervous; jumpy
Not discreet; lacking prudence, as in speech or action
The definition of serious is showing deep thought, not joking, or a situation that requires careful thought.
Find another word for foolish. In this page you can discover 77 synonyms, antonyms, idiomatic expressions, and related words for foolish, like: nonsensical, absurd, anile, silly, puerile, knowledge, stupid, asinine, idiotic, loony and ludicrous.