Synonyms|32Antonyms|0|Broader|0Narrower|0Related|0
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bastille(verb, detain, imprison, jail, intern)
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book(verb, detain, imprison, jail, intern)
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cage(verb, detain, imprison, jail, intern)
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commit(verb, detain, imprison, jail, intern)
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confine(verb, detain, imprison, jail, intern)
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confinement(verb, detain, imprison, jail, intern)
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constrain(verb, detain, imprison, jail, intern)
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coop up(verb, expression, detain, imprison, jail)
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detain(verb, imprison, jail, intern)
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gaol(verb, detain, imprison, jail, intern)
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hold(verb, detain, imprison, jail, intern)
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hold prisoner(verb, expression, detain, imprison, jail)
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immure(verb, detain, imprison, jail, intern)
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impound(verb, detain, imprison, jail, intern)
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imprison(verb, detain, jail, intern)
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incarcerate(verb, detain, imprison, jail, intern)
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intern(verb, detain, imprison, jail)
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jail(verb, detain, imprison, intern)
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lock up(verb, expression, detain, imprison, jail)
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put away(verb, expression, detain, imprison, jail)
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APASmart Define. (1970). keep under lock and key thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/keep_under_lock_and_key/thesaurus/synonyms
ChicagoSmart Define. 1970. "keep under lock and key thesaurus" https://smartdefine.org/keep_under_lock_and_key/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 1970, keep under lock and key thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/keep_under_lock_and_key/thesaurus/synonyms>.
MLASmart Define. "keep under lock and key thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/keep_under_lock_and_key/thesaurus/synonyms>