periodical, adj.
happening or recurring at regular intervals
<adj.all> freq. cnt.: 5 freq. cnt.: 5
periodic periodical
sample sentences
"the periodic appearance of the seventeen-year locust"
lexical pointers
derivationally related form
semantic pointers
similar to
cyclic
oscillatory, oscillating
diurnal
daily, day-to-day, day-by-day, day-after-day
nightly
weekly, hebdomadal, hebdomadary
semiweekly, biweekly
hourly
half-hourly
fortnightly, biweekly
annual, yearly
semiannual, biannual, biyearly, half-yearly
biennial, biyearly
triennial
monthly
bimonthly, bimestrial
semimonthly, bimonthly
semestral, semestrial
midweekly