Synonyms|155Antonyms|14|Broader|0Narrower|0Related|223
1
ever-fresh
1
ever-living
1
fast
1
firm
1
for keeps(expression, stable, constant, enduring, lasting)
1
forever(stable, constant, vast, enduring, lasting)
1
forever and a day(expression, idiom, stable, constant, lasting)
1
frozen
1
hardy
1
immemorial(vast, lasting, permanent, everlasting, unending)
1
immobile
1
in for the long haul(expression, idiom, stable, constant, lasting)
1
incessant
1
incorruptible
1
indefinite(lasting, permanent, everlasting, unending, undying)
1
indelible
1
ingrain
1
ingrained
1
intact
1
intransient
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APASmart Define. (2015). unfading thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unfading/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfading thesaurus" https://smartdefine.org/unfading/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unfading thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unfading/thesaurus/synonyms>.
MLASmart Define. "unfading thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/unfading/thesaurus/synonyms>