- made, occurring, done, or published twice a month.
- something occurring every half month or twice a month.
- a semimonthly publication.
- twice a month: We went semimonthly to see her.
Origin of semimonthly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for semi-monthly
Also it should be a semi-monthly, or at least accompanied by a quarterly and annual.
I subscribed for the semi-monthly Atlanta Journal—I could read that.
Two semi-monthly newspapers are published at Reykjavik, in the Icelandic language.The Land of Thor
J. Ross Browne
The volumes will be issued semi-monthly, in regular succession.Sybil Chase
Ann S. Stephens
We have a paper called The Young Naturalist, which is published semi-monthly.
Word Origin and History for semi-monthly
Online Etymology Dictionary, © 2010 Douglas Harper