didn't

From Wiktionary

[change] Pronunciation

• IPA: /ˈdɪd(ə)nt/
•  Audio (US)^{help, file}

[change] Contraction

Contraction didn't

1. A contraction that means "did not". It is the negative or opposite of the past tense of do. Didn't always acts as helping verb.

   He didn't help her.

   You didn't tell me you're going on vacation next month. How exciting!