English dictionary

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English adjective: periodical

1. periodical happening or recurring at regular intervals

SamplesThe periodic appearance of the seventeen-year locust.


Similarannual, biannual, biennial, bimestrial, bimonthly, bimonthly, biweekly, biweekly, biyearly, biyearly, cyclic, daily, day-after-day, day-by-day, day-to-day, diurnal, fortnightly, half-hourly, half-yearly, hebdomadal, hebdomadary, hourly, midweekly, monthly, nightly, oscillating, oscillatory, semestral, semestrial, semiannual, semimonthly, semiweekly, triennial, weekly, yearly

Antonymsaperiodic, nonperiodic

English noun: periodical

1. periodical (communication) a publication that appears at fixed intervals

Broader (hypernym)publication

Narrower (hyponym)digest, issue, journal, number, organ, pictorial, review, serial, serial publication, series

Based on WordNet 3.0 copyright © Princeton University.
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