56 entries under certainty topic. ×

3
sacrosanct(adjective, characteristic, absoluteness)
3
safe(adjective, characteristic, absoluteness)
3
secure(adjective, characteristic, absoluteness)
3
solid(adjective, characteristic, absoluteness)
3
sure(adjective, characteristic, absoluteness)
3
sure-fire(adjective, characteristic, absoluteness)
3
tested(adjective, characteristic, absoluteness)
3
tried(adjective, characteristic, absoluteness)
3
true(adjective, characteristic, absoluteness)
3
undeniable(adjective, characteristic, absoluteness)
3
undoubted(adjective, characteristic, absoluteness)
3
unerring(adjective, characteristic, absoluteness)
3
unfabled(adjective, characteristic, absoluteness)
3
unquestionable(adjective, characteristic, absoluteness)
3
untransferable(adjective, characteristic, absoluteness)
3
veridical(adjective, characteristic, absoluteness)
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APASmart Define. (1970). unkillable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unkillable/thesaurus/related
ChicagoSmart Define. 1970. "unkillable thesaurus" https://smartdefine.org/unkillable/thesaurus/related (accessed September 24, 2026).
HarvardSmart Define 1970, unkillable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unkillable/thesaurus/related>.
MLASmart Define. "unkillable thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/unkillable/thesaurus/related>