Synonyms|180Antonyms|66|Broader|0Narrower|0Related|367

65 entries under adjective topic. ×

3
proof(tight, impervious, hermetic)
3
solid
2
flawless
2
hermetically sealed
2
impenetrable(fast, short, unaffected, unyielding)
2
impregnable
2
incontrovertible
2
inviolable
2
irrefutable
2
retentive(tight, proof, impervious, hermetic)
2
right(precise, accurate)
2
stormproof
2
windproof
1
air-locked(tight, proof, impervious, hermetic)
1
air-proof(tight, proof, impervious, hermetic)
1
air-tight(tight, proof, impervious, hermetic)
1
airproof(tight, proof, impervious, hermetic)
1
enclosed(tight, proof, impervious, hermetic)
1
gas-tight(tight, proof, impervious, hermetic)
1
gas proof(tight, proof, impervious, hermetic)
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APASmart Define. (2015). watertight thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/watertight/thesaurus/synonyms
ChicagoSmart Define. 2015. "watertight thesaurus" https://smartdefine.org/watertight/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, watertight thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/watertight/thesaurus/synonyms>.
MLASmart Define. "watertight thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/watertight/thesaurus/synonyms>