Synonyms|59Antonyms|0|Broader|0Narrower|0Related|3
1
reform school
1
reformatory
0
Archaicbridewell
0
Borstal
0
CHE approved school
0
Military brig
0
Military glasshouse
0
Military guardhouse
0
Militaryglasshouse
0
birdcage(noun, run, pen, cage)
0
black hole
0
cage(noun, run, pen)
0
cell
0
community home
0
confinement
0
corral(noun, run, pen, cage)
0
correctional institution
0
detention
0
detention centre
0
donjon
13 years ago|1.2k views|share |citing 
APASmart Define. (2013). lock-up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/lock-up/thesaurus/synonyms
ChicagoSmart Define. 2013. "lock-up thesaurus" https://smartdefine.org/lock-up/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, lock-up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/lock-up/thesaurus/synonyms>.
MLASmart Define. "lock-up thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/lock-up/thesaurus/synonyms>