All crazy synonyms

adj crazy

• unrealistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
• insane — not sane; not of sound mind; mentally deranged.
• nuts — insane; crazy.
• wacky — odd or irrational; crazy: They had some wacky plan for selling more books.
• kooky — of, like, or pertaining to a kook; eccentric, strange, or foolish.
• nutty — abounding in or producing nuts.
• silly — weak-minded or lacking good sense; stupid or foolish: a silly writer.
• mad — mentally disturbed; deranged; insane; demented.
• ridiculous — causing or worthy of ridicule or derision; absurd; preposterous; laughable: a ridiculous plan.
• irresponsible — said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
• ludicrous — causing laughter because of absurdity; provoking or deserving derision; ridiculous; laughable: a ludicrous lack of efficiency.
• goofy — ridiculous; silly; wacky; nutty: a goofy little hat.
• preposterous — completely contrary to nature, reason, or common sense; absurd; senseless; utterly foolish: a preposterous tale.
• outrageous — of the nature of or involving gross injury or wrong: an outrageous slander.
• strange — unusual, extraordinary, or curious; odd; queer: a strange remark to make.
• absurd — If you say that something is absurd, you are criticizing it because you think that it is ridiculous or that it does not make sense.
• weird — involving or suggesting the supernatural; unearthly or uncanny: a weird sound; weird lights.
• foolish — resulting from or showing a lack of sense; ill-considered; unwise: a foolish action, a foolish speech.
• odd — differing in nature from what is ordinary, usual, or expected: an odd choice.
• bizarre — Something that is bizarre is very odd and strange.
• passionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
• hysterical — of, relating to, or characterized by hysteria.
• screwball — Slang. an eccentric or whimsically eccentric person; a nut.
• lunatic — (no longer in technical use; now considered offensive) an insane person.
• cuckoo — A cuckoo is a bird that has a call of two quick notes, and lays its eggs in other birds' nests.
• psycho — a psychopathic or psychotic person.
• berserk — Berserk means crazy and out of control.
• ape — Apes are chimpanzees, gorillas, and other animals in the same family.
• potty — Chiefly British Informal. slightly insane; eccentric.
• loony — lunatic; insane.
• eccentric — deviating from the recognized or customary character, practice, etc.; irregular; erratic; peculiar; odd: eccentric conduct; an eccentric person.
• wild — living in a state of nature; not tamed or domesticated: a wild animal; wild geese.
• keen — finely sharpened, as an edge; so shaped as to cut or pierce substances readily: a keen razor.
• eager — keen or ardent in desire or feeling; impatiently longing: I am eager for news about them. He is eager to sing.
• barmy — If you say that someone or something is barmy, you mean that they are slightly crazy or very foolish.
• batty — If you say that someone is batty, you mean that they are rather eccentric or slightly crazy.
• bonkers — If you say that someone is bonkers, you mean that they are silly or act in a crazy way.
• cracked — An object that is cracked has lines on its surface because it is damaged.
• crazed — Crazed people are wild and uncontrolled, and perhaps insane.
• daft — If you describe a person or their behaviour as daft, you think that they are stupid, impractical, or rather strange.
• delirious — Someone who is delirious is unable to think or speak in a sensible and reasonable way, usually because they are very ill and have a fever.
• demented — Someone who is demented has a severe mental illness, especially Alzheimer's disease.
• deranged — Someone who is deranged behaves in a wild and uncontrolled way, often as a result of mental illness.
• dingy — of a dark, dull, or dirty color or aspect; lacking brightness or freshness.
• dippy — somewhat mad or foolish: dippy with love.
• flaky — of or like flakes.
• fruity — resembling fruit; having the taste or smell of fruit.
• idiotic — of, relating to, or characteristic of an idiot.
• maniacal — of or relating to mania or a maniac.
• mental — of or relating to the chin.