The meaning of didn't is did not. It is essential to understand the context and audience when deciding which form to use. (definition of didn't from the cambridge academic content dictionary © cambridge university press)
Did is used to indicate that something was done or completed, while didn't is used to indicate that something was not done or completed In conclusion, “didnʼt” is the correct form and should be used in formal writing, while “didnt” is more appropriate for informal spoken english or informal writing For example, i did my homework means that the homework was completed, while i didn't do my homework means that the homework was not completed.
Collins cobuild advanced learner’s dictionary In this video, learn english grammar and learn the difference between didn't and wasn't in past negative sentences. Didn’t is a short and the usual spoken form of did not Did is a past tense form of the verb do and didn’t is a past tense form of the short don’t.
Didn't synonyms, didn't pronunciation, didn't translation, english dictionary definition of didn't American heritage® dictionary of the english language, fifth edition Copyright © 2016 by houghton mifflin harcourt publishing. What's the past tense of do
The negative forms are didn't (did not) for past tense and doesn't (does not) for present tense.