Synonyms|45Antonyms|2|Broader|0Narrower|0Related|29
1
macrobiotic
1
perdurable
1
perennial
1
permanent
1
perpetual
1
persistent
1
remaining
1
stable
1
steadfast
1
tough
1
unfading
1
vital
0
changed
0
duration
0
endless
0
intransitive
0
invariable
0
lifelong
0
livelong
0
unalterable
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APASmart Define. (2015). diuturnal thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/diuturnal/thesaurus/synonyms
ChicagoSmart Define. 2015. "diuturnal thesaurus" https://smartdefine.org/diuturnal/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, diuturnal thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/diuturnal/thesaurus/synonyms>.
MLASmart Define. "diuturnal thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/diuturnal/thesaurus/synonyms>