wasn't

[ wuhz-uh nt, woz- ]
/ ˈwʌz ənt, ˈwɒz- /

contraction of was not: I wasn't sure you heard me.

usage note for wasn't

pronunciation note for wasn't

See isn't.

British Dictionary definitions for wasn't

wasn't
/ (ˈwɒzənt) /

contraction of

was not