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Bimonthly is an ambiguous term for frequency, meaning either "two times every month" or "every two months".[1] In publishing, "every two months" is the most common usage.[2] The term semimonthly can be a substitute for the former meaning.[3] French, for instance, has no confusion, with bimensuel the adjective for the former meaning, bimestriel for the latter.[4]


  1. ^ "Definition of BIMONTHLY".
  2. ^ "Does 'bimonthly' mean 'twice a month'..., Oxford Dictionaries". Oxford Dictionaries, English.
  3. ^ "Bimonthly definition and meaning, Collins English Dictionary".
  4. ^ Cazorla, Nathalie McAndrew; Williams, Stuart (2013). Manual of Business French. Routledge. p. 334. ISBN 9781136166518.