Doofus: meaning, definitions and examples

Used in casual, often humorous contexts to describe someone who is being silly or making a simple mistake. It's not usually harsh or offensive.

• I can't believe I locked my keys in the car—I'm such a doofus!
• Don't be a doofus, just follow the instructions.

Used for someone who is acting in an unwise or nonsensical way. It can be slightly derogatory but not overly harsh.

• Don't be a fool, understand the risks before you invest money.
• He's such a fool for believing in those fake promises.

Generally used in a more negative or harsh way to describe someone's lack of intelligence or poor decision-making.

• Only an idiot would leave the door unlocked in this neighborhood.
• You idiot! That was a terrible mistake.

Describes someone who frequently drops things, trips, or generally moves awkwardly. It focuses on physical uncoordination.

• She’s such a clumsy person; she always bumps into furniture.
• Watch out for him, he's a bit of a clumsy person and might spill the drinks.