1. (a.) Coming or made twice in a month; as, semimonthly magazine; a semimonthly payment.
2. (n.) Something done or made every half month; esp., a semimonthly periodical.
3. (adv.) In a semimonthly manner; at intervals of half a month.
Thesaurus Entries
annual, biannual, biennial, bimonthly, biweekly, catamenial, centenary, centennial, daily, decennial, diurnal, fortnightly, hebdomadal, hourly, menstrual, momentary, momently, monthly, quarterly, quotidian, secular, semestral, semiannual, semiweekly, semiyearly, tertian, triennial, weekly, yearly
