semimonthly
[ sem-ee-muhnth-lee, sem-ahy- ]
/ ˌsɛm iˈmʌnθ li, ˌsɛm aɪ- /
adjective
made, occurring, done, or published twice a month.
noun, plural sem·i·month·lies.
something occurring every half month or twice a month.
a semimonthly publication.
adverb
twice a month: We went semimonthly to see her.
usage note for semimonthly
See
bi-1.