Dunno

//ˈdʌnəʊ// contraction, noun, slang

contraction, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    An utterance of the word dunno.
Contraction
  1. 1
    Pronunciation spelling of do not know; pronunciation spelling of does not know. alt-of, contraction, informal, pronunciation-spelling

    "I dunno the answers to any of those questions, and you dunno and he dunno either."

Example

More examples

"I dunno if it's a bug or what, but this software doesn't work right."

Etymology

Written form of an informal pronunciation of don't know that is a reduction of do not know or does not know.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.