This is the 16149th most frequent Turkish word.
vermedi
"Vermedi" means "did not give."
In this sentence, the word 'vermedi' is used as a negative past simple verb indicating that the subject 'Ali' did not provide or give money to someone or something.
Ali para vermedi.
Ali did not give money.
Here, 'vermedi' is used metaphorically to mean 'did not allow' or 'did not grant permission', utilizing the flexibility of the Turkish verb 'vermek'.
Müdür izin vermedi.
The manager did not permit.
In this case, 'vermediğim' is the negative past tense form with a possessive structure indicating 'I did not give', explaining why someone got angry.