biannual Definition

semiannual, biyearly, biennial, yearly, quarterly, biennium, twice, half, bi-annual, biennale, half-yearly, semi-annual, two-year, annual, bimonthly, triennial, monthly, quadrennial, biweekly, weekly, periodic, weeklong, quinquennial, fortnightly, semimonthly, periodical, yearlong, daylong, regular, inaugural, semiweekly, fifteenth, preparatory, plenary, daily, gala, twelfth, fortieth, thirteenth, nonpartisan, monographic, consecutive, ongoing, sponsored, monthlong, trimonthly, bimensal, triannual, bimester, bimestrial, month, nightly, week by week, tercentennial, invitational, recent, informal, sesqui, continual, anniversarily, annotinous, quadripartite, largest, frequent, tricentennial, triduan, midweekly, latest, footstock, semiformal, joint, prestigious, trieterical, hebdomadally, bacchanalian, seventeenth, rag week, novennial, intergovernmental, mock, termly, pierian, regional, triweekly, intime, formal, staid, unofficial, summertime, comprehensive, nationwide, canterbury bell, last, routine, periodicalist, cursory, timelier, major, hydrographical, its,