Synonyms|114Antonyms|84|Broader|3Narrower|8Related|1.1k
4
impassable
3
inalienable
2
inflexible
1
certain
1
fixed
1
impenetrable
1
impervious
1
impregnable
1
inarguable
1
incontestable
1
incontrovertible
1
indisputable
1
indubitable
1
irrefragable
1
irrefutable
1
positive
1
settled
1
sure
1
unalienable
1
unanswerable
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APASmart Define. (2015). negotiable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/negotiable/thesaurus/antonyms
ChicagoSmart Define. 2015. "negotiable thesaurus" https://smartdefine.org/negotiable/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, negotiable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/negotiable/thesaurus/antonyms>.
MLASmart Define. "negotiable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/negotiable/thesaurus/antonyms>