hasn't

American

[haz-uhnt] / ˈhæz ənt /

contraction of has not.

hasn't British

/ ˈhæzənt /

contraction

has 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

Usage

See contraction.

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.

For 250 years, it hasn’t been Archimedes in a bathtub, but tinkerers in workshops and scientists in labs, embracing—and capitalizing on—their blunders.

From The Wall Street Journal • Apr. 4, 2026

Simeone is loyal to Atletico but hasn't hidden his desire to one day manage another of his former clubs.

From BBC • Apr. 4, 2026

Women’s college basketball hasn’t just gone mainstream, it’s boomed into a sport with one of the highest audience ceilings of any in the NCAA.

From Los Angeles Times • Apr. 3, 2026

Even including its blockbuster 2025, Applied Optoelectronics hasn’t posted a net profit since 2017.

From Barron's • Apr. 3, 2026

This preoccupies her, it’s her own mystery that she hasn’t been able to solve.

From "The Brightwood Code" by Monica Hesse

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