Dictionary.com
Thesaurus.com

haven't

American  
[hav-uhnt] / ˈhæv ənt /

  1. contraction of have not.

haven't British  
/ ˈhævənt /

contraction

  1. have not

"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
haven't Idioms  

  1. see under not have.

Usage

See contraction.

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.