Synonyms|243Antonyms|38|Broader|1Narrower|0Related|60
1
historic(great, extraordinary, outstanding, notable, unforgettable)
1
homefelt
1
hot(great, extraordinary, outstanding, notable, unforgettable)
1
illustrious(great, extraordinary, outstanding, notable, unforgettable)
1
immortal
1
in for the long haul(expression, idiom, permanent, long-term, lifelong)
1
incessant(permanent, long-term, lifelong)
1
indeciduous
1
indefeasible
1
indefinite
1
indelibly
1
indissoluble(stability, permanent, long-term, lifelong)
1
inexhaustible(permanent, long-term, lifelong)
1
inexpugnable
1
ingrain
1
interesting(great, extraordinary, outstanding, notable, unforgettable)
1
inveterate(adjective, fixed, deep-seated, in-built)
1
invincible
1
invulnerable
1
irreducible
For more, visit Indelible on Power Thesaurus
10 years ago|4.6k views|share |citing 
APASmart Define. (2016). indelible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/indelible/thesaurus/synonyms
ChicagoSmart Define. 2016. "indelible thesaurus" https://smartdefine.org/indelible/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, indelible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/indelible/thesaurus/synonyms>.
MLASmart Define. "indelible thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/indelible/thesaurus/synonyms>