Synonyms|92Antonyms|21|Broader|0Narrower|0Related|65
3
yearly
2
abiding(stable, constant, enduring, lasting, durable)
2
catamenial
2
cyclical
2
menstrual
2
secular
2
tertian
1
biannual
1
centenary
1
changeless(stable, constant, enduring, lasting, durable)
1
continual(stable, constant, enduring, lasting, durable)
1
cyclic
1
dailies
1
daybook
1
daylight
1
diary
1
durable(stable, constant, enduring, lasting, perpetual)
1
everlasting(stable, constant, vast, enduring, lasting)
1
forever(stable, constant, vast, enduring, lasting)
1
half-hourly
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APASmart Define. (2015). diurnal thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/diurnal/thesaurus/synonyms
ChicagoSmart Define. 2015. "diurnal thesaurus" https://smartdefine.org/diurnal/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, diurnal thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/diurnal/thesaurus/synonyms>.
MLASmart Define. "diurnal thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/diurnal/thesaurus/synonyms>