Synonyms|5Antonyms|34|Broader|0Narrower|0Related|49
2
periodic
2
periodical
0
annual
0
biannual
0
biennial
0
bimestrial
0
bimonthly
0
biweekly
0
biyearly
0
cyclic
0
daily
0
day-after-day
0
day-by-day
0
day-to-day
0
diurnal
0
fortnightly
0
half-hourly
0
half-yearly
0
hebdomadal
0
hebdomadary
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APASmart Define. (2013). nonperiodic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/nonperiodic/thesaurus/antonyms
ChicagoSmart Define. 2013. "nonperiodic thesaurus" https://smartdefine.org/nonperiodic/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2013, nonperiodic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/nonperiodic/thesaurus/antonyms>.
MLASmart Define. "nonperiodic thesaurus" 28 June 2013. Web. 28 September 2026. <https://smartdefine.org/nonperiodic/thesaurus/antonyms>