Synonyms|531Antonyms|134|Broader|10Narrower|0Related|236
1
intensive
1
interminable(adjective, complete, absolute, unrestrained, extensive)
1
inveterate
1
irrefragable(definite, precise, sure, decisive, final)
1
irrefrangible(definite, precise, sure, decisive, final)
1
irrefutable(adjective, definite, precise, sure, decisive)
1
irrevocable(definite, precise, sure, decisive, final)
1
lasting
1
lawful
1
legal
1
legalized
1
legitimate
1
lengthy
1
liberal(open, unlimited, unobstructed)
1
licit
1
litmus test(expression, definite, precise, sure, decisive)
1
long
1
long-drawn-out
1
long-lived
1
long-range
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ChicagoSmart Define. 2016. "unconditional thesaurus" https://smartdefine.org/unconditional/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, unconditional thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unconditional/thesaurus/synonyms>.
MLASmart Define. "unconditional thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/unconditional/thesaurus/synonyms>