Semiweekly

a.

1.

Coming, or made, or done, once every half week; as, a semiweekly newspaper; a semiweekly trip.

Adj.	1.	semiweekly - occurring twice a week Synonyms: biweekly
Adv.	1.	semiweekly - twice a week; "he called home semiweekly" Synonyms: biweekly

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