I’m truly sorry for the lack of communication on my part.

Translation language

Sentence

Narrator

I sincerely apologize for the lack of communication.

I'm sorry for the delay; there was a lack of communication on my end.

I take full responsibility for the poor communication.

Please forgive me for the lack of communication. I'll do better in the future.

I offer my sincerest apologies for the inadequate communication.

So sorry I haven't been in touch.

I'm really sorry I didn't communicate better.

Insufficient or absent communication.

Expressing deep regret or remorse.