lock in meaning and definition

LOCK IN verb

Definition of lock in (verb)

1. close with or as if with a tight seal
   • "This vacuum pack locks in the flavor!"
   • synonyms: seal in
2. place in a place where something cannot be removed or someone cannot escape
   • "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
   • synonyms: lock, lock away, lock up, put away, shut away, shut up