let go

verb6

1. •
   To release from one's grasp; to go from a state of holding on to a state of no longer holding on.

   • You're hurting him! Let him go!
   • Let go of the phone.
2. •
   (euphemistic) To dismiss from employment.

   • The secretary didn't work out, so her boss told her she was being let go.
3. •
   To emotionally disengage or distract oneself from a situation.

   • You are supported, so you can just let go and relax. Inhale and slowly exhale. — 2010
4. •
   (euphemistic) To fail to maintain a standard of appearance, behavior, or performance.
5. •
   (euphemistic) To gain weight.

   • Wow, dude! You've really let yourself go this time!
6. •
   To ignore (a comment, etc.).

   • Cora gave her shoulders a rebellious toss. "I'm sick of always getting oysters; I'd sooner come out with you." Bradly let that go. "You had enough money this week without getting oysters, didn't you?" — 1938

verb1

1. •
   (euphemistic) To dismiss someone from an employment position or a relationship.