wasn't
v.v. the short way to write or say 'was not'. You use it to talk about something in the past that was not true or did not happen.
v. the contracted form of 'was not', consisting of the past tense of 'be' and the negative particle 'not'. Used with first-person and third-person singular subjects.
He wasn't at home when I called him.
The weather wasn't as warm as we expected, so we decided to stay inside and watch a movie.
Although the initial report suggested the project was on track, it soon became clear that the budget wasn't sufficient to cover the rising costs of raw materials.
Contraction of was + not. By surface analysis, was + -n't.
Used with the pronouns 'I', 'he', 'she', 'it' and singular nouns. In formal writing, the full form 'was not' is generally preferred.
They wasn't happy.They weren't happy.'Wasn't' is only for singular subjects; plural subjects and 'you' require 'weren't'.