Synonyms: idiotic, imbecile, imbecilic
Definition: having a mental age of three to seven years
Similar words: retarded
Definition: relatively slow in mental or emotional or physical development
Usage: providing a secure and sometimes happy life for the retarded
Synonyms: idiotic, crackbrained
Definition: insanely irresponsible
Usage: an idiotic idea
Similar words: insane
Definition: afflicted with or characteristic of mental derangement
Usage: was declared insane; insane laughter
Synonyms: absurd, derisory, cockeyed, idiotic, ludicrous, laughable, preposterous, ridiculous, nonsensical
Definition: incongruous;inviting ridicule
Usage: the absurd excuse that the dog ate his homework; that's a cockeyed idea; ask a nonsensical question and get a nonsensical answer; a contribution so small as to be laughable; it is ludicrous to call a cottage a mansion; a preposterous attempt to turn back the pages of history; her conceited assumption of universal interest in her rather dull children was ridiculous
Similar words: foolish
Definition: devoid of good sense or judgment
Usage: foolish remarks; a foolish decision