dumbo

Not very bright

Dumbo is informal for a stupid person—someone perceived as slow or dim-witted: Don't be such a dumbo.

The insult derives from dumb in its sense of unintelligent, with the -o suffix adding a mocking, dismissive tone.

It's relatively mild, often used playfully among friends or directed at oneself after a foolish mistake. (Capitalized Dumbo is the Disney elephant character.)

insult

stupid

Lacking intelligence or judgment

simpleton · dunce · blockhead · airhead · nincompoop · dope · dolt · doofus · dingbat · nitwit

Categories
Opposites
intelligence/mental capacity

dumbogenius

Person of rare brilliance

brainiac · Einstein · intellect · mastermind · whiz

social perception of intellect

dumboegghead

Slang for intellectual

bookworm · highbrow · nerd · geek · anorak

Phrases
Family

dummy, dumbbell, dummies, dumber, dumbest, dumbness, dumbly, dumbed, dumbing

Familiarity
Top 200,000
Profile
Known to kids · Timeless · Concrete · Negative · Everyday, not technical · Rated G