2
certified(adjective, certain, definite, sure, approved)
2
close
2
crocked
2
endorsed
2
filled
2
firm
2
fixed(verb, adjective, calm, quiet, smooth)
2
hermetical(adjective, tight, proof, impervious, hermetic)
2
impassable(adjective, unaffected, unyielding, unbending, resistant)
2
impenetrable(adjective, fast, short, unaffected, unyielding)
2
impressed
2
imprinted
2
jammed(verb, closed)
2
notarized(adjective, permitted, sanctioned, recognized, signed)
2
obstructed(adjective, closed)
2
printed
2
rainproof(adjective, resistant, impervious)
2
secret(secret, unintelligibility)
2
secure(adjective, set, solid, certain, sure)
2
still(adjective, calm, quiet, tranquil, silent)
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APASmart Define. (2015). sealed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sealed/thesaurus/synonyms
ChicagoSmart Define. 2015. "sealed thesaurus" https://smartdefine.org/sealed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, sealed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sealed/thesaurus/synonyms>.
MLASmart Define. "sealed thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/sealed/thesaurus/synonyms>