Word Study
lock in
THESAURUS
lock in
bolt in, bottle up, cast in prison, clap in jail, clap up, cork up, gaol, hold captive, hold in, hold in captivity, hold prisoner, immure, imprison, incarcerate, inhibit, intern, jail, jug, keep, keep in, lock up, maintain, preserve, repress, retain, save, save up, suppress, throw into jailFor further exploring for "lock in" in Webster Dictionary Online