Synonyms|186Antonyms|77|Broader|0Narrower|0Related|108
1
incessant(permanent, long-term, lifelong)
1
incorruptible
1
indecomposable
1
indefeasible
1
indiscerptible
1
indissolubleness
1
inexhaustible(permanent, long-term, lifelong)
1
inexpungible(permanent, long-term, lifelong)
1
inextricable
1
infusible(adjective, density)
1
insecable
1
insolvable
1
integrated(adjective, cohesive)
1
inveterate
1
irreducible
1
irresolvable
1
irrevocable(stability, necessary, required, obligatory, conclusive)
1
lengthy
1
long
1
long-drawn-out
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APASmart Define. (2016). indissoluble thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/indissoluble/thesaurus/synonyms
ChicagoSmart Define. 2016. "indissoluble thesaurus" https://smartdefine.org/indissoluble/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, indissoluble thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/indissoluble/thesaurus/synonyms>.
MLASmart Define. "indissoluble thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/indissoluble/thesaurus/synonyms>