Definition of lock someone up or away in English:

lock someone up (or away)

Imprison someone: he thought Smart ought to be locked up
More example sentences
  • If you want to lock someone up in jail, you need to prove beyond reasonable doubt that they did it, so you have to have an adversarial system where you can rigorously test the evidence of a complainant.
  • She spent five years on death row, albeit one specially created for her by the Florida prison authorities, which cleared out an entire wing of an old prison for women, before locking her up in solitary confinement.
  • If I was in charge of the Correctional Services, I would lock you up in solitary confinement and throw away the key, better still, I would bring back the death penalty.
Synonyms
imprison, jail, incarcerate, send to prison, put behind bars, put under lock and key, put in chains, put/throw into irons, clap in irons, hold captive;
informal send down, put away, put inside
See parent entry: lock

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