Bedeutung von “regret” im Essential American English Dictionary

regret

verb us /rɪˈɡret/ present participle regretting, past tense and past participle regretted

B1 to feel sorry about a situation, especially something that you wish you had not done:

If you don’t tell her the truth you’ll regret it later.
I really regret leaving school so young.

formal used to say that you are sorry that you have to tell someone about a situation:

We regret that we cannot supply this information.

(Definition von “regret verb” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)