20 entries under closed topic. ×

14
fastened(verb, adjective, strong, secure, firm)
8
fixed(verb, adjective, strong, secure, firm)
6
bolted(verb, adjective, strong, secure, substantial)
6
latched(verb, adjective)
6
locked(verb, adjective)
5
closed(verb, adjective, strong, secure, substantial)
5
sealed(verb, adjective)
4
firm(adjective, strong, secure, stable, unmoving)
4
plugged(verb, adjective)
4
stopped(verb, adjective, limited, controlled, constrained)
4
tight(adjective, strong, secure, substantial, stable)
3
barricaded(verb, defended)
3
blocked(verb, limited, controlled, constrained)
3
joined
3
obstructed(adjective, limited, controlled, constrained)
3
shut(verb, adjective)
2
corked
2
hermetic
2
jammed
1
choked
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APASmart Define. (2016). secured thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/secured/thesaurus/synonyms
ChicagoSmart Define. 2016. "secured thesaurus" https://smartdefine.org/secured/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, secured thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/secured/thesaurus/synonyms>.
MLASmart Define. "secured thesaurus" 11 February 2016. Web. 23 September 2026. <https://smartdefine.org/secured/thesaurus/synonyms>