Synonyms|13Antonyms|54|Broader|0Narrower|0Related|50
2
cyclic
2
periodic
2
periodical
1
annual
1
biannual
1
biennial
1
bimestrial
1
bimonthly
1
biweekly
1
biyearly
1
daily
1
day-after-day
1
day-by-day
1
day-to-day
1
diurnal
1
fortnightly
1
half-hourly
1
half-yearly
1
hebdomadal
1
hebdomadary
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APASmart Define. (2013). aperiodic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/aperiodic/thesaurus/antonyms
ChicagoSmart Define. 2013. "aperiodic thesaurus" https://smartdefine.org/aperiodic/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2013, aperiodic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/aperiodic/thesaurus/antonyms>.
MLASmart Define. "aperiodic thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/aperiodic/thesaurus/antonyms>