"semimonthly" in the noun sense
1. semimonthly
a periodical that is published twice each month (or 24 issues per year)
"semimonthly" in the adjective sense
1. semimonthly, bimonthly
occurring twice a month
"a semimonthly publication"
"semimonthly" in the adverb sense
1. semimonthly, bimonthly
twice a month
"salaries are paid semimonthly"
Source: WordNet® (An amazing lexical database of English)
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