Synonyms|127Antonyms|16|Broader|0Narrower|0Related|32
7
certain(adjective, ideal, all time, the best)
7
inalienable(adjective, dueness)
7
sure(adjective, ideal, all time, the best)
6
unchallengeable(adjective, ideal, all time, the best)
6
unchallenged(adjective, ideal, dueness, all time, the best)
6
undisputed(adjective, ideal, all time, the best)
5
irrevocable(adjective, stability)
4
irreversible(adjective, stability)
3
imprescriptible(adjective, dueness)
3
incommutable
3
intransmutable
3
irretrievable
3
reverseless
2
absolute(adjective, dueness)
2
constitutional(adjective, dueness)
2
inert
2
insusceptible of change(expression, idiom, stability)
2
inviolable(adjective, dueness)
2
sacrosanct(adjective, dueness)
2
unalienable(adjective, dueness)
<12345…7>
For more, visit Indefeasible on Power Thesaurus
11 years ago|2.3k views|share |citing 
APASmart Define. (2015). indefeasible thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/indefeasible/thesaurus/synonyms
ChicagoSmart Define. 2015. "indefeasible thesaurus" https://smartdefine.org/indefeasible/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, indefeasible thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/indefeasible/thesaurus/synonyms>.
MLASmart Define. "indefeasible thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/indefeasible/thesaurus/synonyms>