Synonyms

dumbo

American

[duhm-boh] / ˈdʌm boʊ /

noun

a stupid person.

a class full of dumbos.

adjective

stupid or foolish.

What a dumbo idea!

dumbo British

/ ˈdʌmbəʊ /

noun

slang a slow-witted unintelligent 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

Other Word Forms

Inflected Forms

noun

dumbos

plural

Etymology

Origin of dumbo

Probably earlier than 1955–60; dumb + -o

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.

It’s a transportive experience that washes away the noise of Dumbo tourists and chugging ferries.

From The Wall Street Journal • Oct. 17, 2025

It was available in-person for a limited time, from Aug. 5 to 10, at OddFellows’ Dumbo location.

From Salon • Aug. 24, 2025

"I loved Disney as a child. Passionately. Dumbo, Bambi."

From BBC • Sep. 30, 2024

The van backed onto a giant industrial scale to weigh its cargo: 1,080 pounds, at a cost of $81 to Dumbo.

From New York Times • Jul. 10, 2023

If for any reason Joe was unable to fulfill his obligations, Dumbo would take over.

From "Small Steps" by Louis Sachar

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