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noun

dumbass

DUHM-as
noun
1
(vulgar slang) A stupid or foolish person.
"Only a dumbass would leave the car running with the keys inside."
adj
1
(vulgar slang) Stupid or foolish.
"That was a dumbass thing to say in front of the boss."

How to Use Dumbass

Learner’s notes

In plain EnglishA crude way of calling someone (or something) stupid.

When to use it

Vulgar slang — avoid in professional or polite contexts.

Word Forms

more dumbass comparative, dumberass comparative, dumbasses plural, most dumbass superlative, dumbestass superlative

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Definitions: FreeDict original editorial