Synonyms|243Antonyms|38|Broader|1Narrower|0Related|60
1
piercing
1
poignant
1
recurrent
1
red-letter(great, extraordinary, outstanding, notable, unforgettable)
1
rubric(great, extraordinary, outstanding, notable, unforgettable)
1
serious(great, extraordinary, outstanding, notable, unforgettable)
1
settled(adjective, fixed, permanent, unchangeable, unalterable)
1
sharp
1
signal(great, extraordinary, outstanding, notable, unforgettable)
1
stable(firm, true, fixed, constant, steadfast)
1
standout(great, extraordinary, outstanding, notable, unforgettable)
1
stirring(adjective, indestructible)
1
string
1
surpassing(great, extraordinary, outstanding, notable, unforgettable)
1
till the cows come home(expression, idiom, permanent, long-term, lifelong)
1
unceasing(permanent, long-term, lifelong)
1
unchanging(adjective, permanent, long-term, lifelong)
1
undampable
1
undestroyable
1
unending(permanent, long-term, lifelong)
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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>