Antonyms of adj aperiodic

1 sense of aperiodic

Sense 1
aperiodic (vs. periodic), nonperiodic -- (not recurring at regular intervals)

periodic (vs. aperiodic), periodical -- (happening or recurring at regular intervals; "the periodic appearance of the seventeen-year locust")
        => cyclic -- (marked by repeated cycles)
        => oscillatory, oscillating -- (having periodic vibrations)
        => diurnal -- (having a daily cycle or occurring every day; "diurnal rotation of the heavens")
        => daily, day-to-day, day-by-day, day-after-day -- (of or belonging to or occurring every day; "daily routine"; "a daily paper")
        => nightly -- (happening every night; "nightly television now goes on until 3:00 or 4:00 a.m.")
        => weekly, hebdomadal, hebdomadary -- (of or occurring every seven days; "a weekly visit"; "weekly paper")
        => semiweekly, biweekly -- (occurring twice a week)
        => hourly -- (occurring every hour or payable by the hour; "hourly chimes"; "hourly pay")
        => half-hourly -- (occurring ever half hour)
        => fortnightly, biweekly -- (occurring every two weeks)
        => annual, yearly -- (occurring or payable every year; "an annual trip to Paris"; "yearly medical examinations"; "annual (or yearly) income")
        => semiannual, biannual, biyearly, half-yearly -- (occurring or payable twice each year)
        => biennial, biyearly -- (occurring every second year; "they met at biennial conventions")
        => triennial -- (occurring every third year or lasting 3 years)
        => monthly -- (of or occurring or payable every month; "monthly payments"; "the monthly newsletter")
        => bimonthly, bimestrial -- (occurring every two months; "bimonthly visits")
        => semimonthly, bimonthly -- (occurring twice a month; "a semimonthly publication")
        => semestral, semestrial -- (occurring every six months or during every period of six months)
        => midweekly -- (occurring during the middle of the week; "midweekly prayer meetings")

Similarity of adj aperiodic

1 sense of aperiodic

Sense 1
aperiodic (vs. periodic), nonperiodic -- (not recurring at regular intervals)
       => noncyclic -- (not having repeated cycles)
       => nonoscillatory -- (not having periodic vibrations)

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