dumb-ass

American

[duhm-as] / ˈdʌmˌæs /

Or dumbass

noun

Slang: Vulgar.

a thoroughly stupid person; blockhead.

dumb-ass British

noun

a stupid person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

extremely stupid

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dumb-ass

1970–75;

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

dumb-ass

While nackle-ass in particular doesn’t seem to have made much of an impression beyond West Somerset, it is strikingly reminiscent of our own modern and widespread -ass constructions — big-ass, bad-ass, dumb-ass, and so on.

From Salon ● May 11, 2013

I always thought of Rafa as a borderline sociopath while Yunior might have been a dumb-ass but he is a fully feeling human being.

From Salon ● Sep. 10, 2012

Does that sound exactly like the first "Hangover," except with the wildlife made cuter and an exotic setting that's only going to produce dumb-ass cultural clichés, and no Mike Tyson?

From Salon ● May 26, 2011

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023