14
imprison(verb, hold, take, control, close)
10
put away(verb, expression, phrasal verb, hold, keep)
9
confine(verb, stop, hold, take, control)
9
incarcerate(verb, hold, put, commit, confine)
9
lock away(verb, expression, phrasal verb, stop, hold)
8
shut up(verb, expression, phrasal verb, close, keep)
7
lock in(verb, expression, phrasal verb, hold, curb)
7
restrain(verb, stop, hold, take, control)
7
secure(verb, hold, take, make, close)
6
jail(verb, hold, control, restrain, curb)
5
close(verb, hold, fix, secure, settle)
5
detain(verb, hold, take, control, force)
5
lock(verb, close, fix, secure, settle)
4
arrest(verb, stop, hold, take, control)
4
bar(verb, stop, close, secure, prevent)
4
close up(verb, expression, phrasal verb, close, secure)
4
institutionalize(verb, jail, institutionalise)
4
intern(verb, hold, keep, circle, commit)
4
padlock(verb, fix, secure, settle, catch)
4
send up(verb, expression, phrasal verb, hold, curb)
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APASmart Define. (2015). lock up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lock_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "lock up thesaurus" https://smartdefine.org/lock_up/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, lock up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lock_up/thesaurus/synonyms>.
MLASmart Define. "lock up thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/lock_up/thesaurus/synonyms>