hourly Synonyms

at each hour watch unseldom triennial time-table time repeatedly regularly regular persistently perpetually periodical periodic yearly unceasingly ceaselessly once an hour every hour by the hour at different times per hour uninterruptedly semestral seasonally recurrently anytime again and again time unit perennially oftentimes diurnal daily continually continual constantly clock centennial catamenial biweekly bimonthly biennial annual ever fortnightly frequent often oft monthly menstrual iterant