| Semiweekly 1. (a.) Coming, or made, or done, once every half week; as, a semiweekly newspaper; a semiweekly trip. 2. (n.) That which comes or happens once every half week, esp. a semiweekly periodical. 3. (adv.) At intervals of half a week each. 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, semimonthly, semiyearly, tertian, triennial, weekly, yearly |