Synonyms|229Antonyms|5|Broader|8Narrower|0Related|57

127 entries under noun topic. ×

4
bridewell
4
confinement
4
locking
4
oubliette
4
reformatory
4
slammer(free, slang, jail)
3
can(free, slang)
3
limbo
3
stockade
3
tollbooth
2
certainty(trust, confidence, assurance, stock)
2
den(container, prison, chamber, cage)
2
detention
2
hold(container, prison, chamber, cage)
2
penal institution
2
pound
2
stronghold
2
vault(container, jail, chamber, cage)
1
alcatraz
1
authoritativeness(store, trust, confidence, assurance)
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APASmart Define. (2015). lockup thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lockup/thesaurus/synonyms
ChicagoSmart Define. 2015. "lockup thesaurus" https://smartdefine.org/lockup/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, lockup thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lockup/thesaurus/synonyms>.
MLASmart Define. "lockup thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/lockup/thesaurus/synonyms>