bimonthly
adjective
[ bʌɪˈmʌnθli ]
• done, produced, or occurring twice a month or every two months.
• "a bimonthly newsletter"
bimonthly
adverb
• twice a month or every two months.
• "the magazine appears bimonthly"
bimonthly
noun
• a periodical produced twice a month or every two months.