Dictionary.com

Popular Searches

 Thesaurus.com

don't-know

American  
[dohnt-noh] / ˈdoʊntˈnoʊ /

noun

  1. a person who has no opinion or is undecided, as in answering an item on a public-opinion poll.

don't know British  

noun

  1. a person who has not reached a definite opinion on a subject, esp as a response to a questionnaire

"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 don't-know

First recorded in 1885–90

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.