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 (sĕm′ē-ăn′yo͞o-əl, sĕm′ī-)
Occurring or issued twice a year.

sem′i·an′nu·al·ly adv.


1. occurring every half-year
2. lasting for half a year
ˌsemiˈannually adv


(ˌsɛm iˈæn yu əl, ˌsɛm aɪ-)

1. occurring, done, or published every half year or twice a year.
2. lasting for half a year.
sem`i•an′nu•al•ly, adv.
usage: See bi-1.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.semiannual - occurring or payable twice each year
periodic, periodical - happening or recurring at regular intervals; "the periodic appearance of the seventeen-year locust"
References in periodicals archive ?
The board of directors of Cantel Medical (NYSE:CMN), a medical device company, on Friday declared a semiannual dividend of USD0.
Appearing at the Television Critics Association semiannual press tour in Pasadena, Silverman said: ``I don't think anything is off-limits if it's funny enough.
Title V reporting requirements include quarterly and/or semiannual reports, annual compliance certification, annual emission fees and notices of exceeded emissions limits.
I've always thought that you need to use all of the replacement parts that come in the semiannual service kit, NSN 2540-01-255-3347, and the annual service kit;, NSN 4330-01-117-7943, regardless of the condition of the parts being replaced.
The City Council approved a rough draft of the semiannual report Friday, by a 9-1 vote, with Councilman Nate Holden dissenting and criticizing city officials for submitting it at the last minute and for remaining out of compliance on some of the provisions.