Synonyms of lock up

Noun

1. lockup, jail, jailhouse, gaol, clink, slammer, poky, pokey

usage: jail in a local police station

2. locking, lockup, protection

usage: the act of locking something up to protect it

Verb

1. lock up, fasten, fix, secure

usage: secure by locking; "lock up the house before you go on vacation"

2. lock in, lock away, lock, put away, shut up, shut away, lock up, confine

usage: 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"