adjective. Happening every two months.

adjective. Happening twice a month; semimonthly.

adverb. Once every two months.

adverb. Twice a month; semimonthly.

noun. A bimonthly publication.

Occurring every two months.

adjective. Occurring, done, or coming, once in two months.

adverb. Once in two months.

adjective. Occurring once every two months; bimestrial

adjective. Twice every month; semimonthly.

adverb. once every two months; bimestrially

adverb. Twice every month; semimonthly.

noun. Something (especially something published) that occurs or is done on a bimonthly basis.

adjective. occurring twice a month

adverb. every two months

adjective. occurring every two months

adverb. twice a month

noun. a periodical that is published twice a month or every two months (either 24 or 6 issues per year)

"The note asked — or no, instructed — him to meet the water truck that came bimonthly from the nearest town, Indio Muerto, which lay some 35 miles across the motionless plain."

periodic  periodical  

serial  serial publication  series  

monthly  

24-month  as-needed  better-than-expected  biweekly  dramatick