Definition

1. Adjective:
   • Informal or slang term for mentally irregular, crazy, or insane: Used to describe someone or something as wildly irrational, foolish, or mad.

Usage

• This word is an informal, often humorous, slang adjective. It is typically used as a predicate adjective (e.g., "You are crackers") or attributively before a noun (e.g., "a crackers idea").
• It conveys a sense of being nonsensical or wildly eccentric, not necessarily referring to clinical mental illness.

Examples

Advanced Usage

• "to go crackers": to become crazy or very agitated.
  • The constant noise from the construction site is making me go crackers.

Variants and Related Words

• Cracker (noun): This is a distinct word, typically referring to a thin, crisp baked good, a firework, or a person from the southeastern US. It is not a variant of the adjective "crackers."
• Cracked (adjective, informal): Can have a similar meaning to "crackers" (e.g., "He's cracked").

Synonyms

• Balmy (informal): Mildly crazy or foolish.
• Bonkers (informal): Crazy.
• Nuts (informal): Crazy.
• Mad (informal): Insane or very foolish.
• Lunatic (informal): Wildly foolish.

Related Idioms

• "to be (as) nutty as a fruitcake": to be very eccentric or crazy.
  • His theory about time travel is as nutty as a fruitcake.
• "to be off one's rocker": to be crazy or irrational.
  • You must be off your rocker to think that will work.

Adjective

1. informal or slang terms for mentally irregular
   • it used to drive my husband balmy