Added 10 October 2026 bimonthly adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). More about bimonthly at Wordnik → Where our words come from → Occurring once every two months. The organization's bimonthly meetings allow for two discussions each quarter. Occurring twice every month. adverb Once every two months; bimestrially. The organization's board of directors meets bimonthly. Twice every month; semimonthly. They checked on his progress bimonthly. noun A publication that is published on a bimonthly basis. We have to get the report done. If the boss doesn't get his bimonthly he'll scream. Related Words: bimestrialsemimonthlybiweeklyfortnightlybi-weeklybi-monthlybimensualbiyearlybiannualsemiannualbimensaltwice-yearly Back to today's word