Meaning offorget itin English

Verb

1. it's unimportant; let it go
   It's raining, forget it and stay home.
2. dismiss the thought; don't worry
   Don't worry about the mistake, just forget it.
3. stop this conversation (frustration)
   I'm trying to talk to you, but you keep interrupting, forget it.
4. absolutely not; forbidden
   You want to go skydiving at night, forget it, it's too dangerous.