biannual, biennial and bimonthly

By Mary Morel

biannual

Biannual means twice a year.

The organisation holds meetings biannually.

biennial

Biennial means lasting or recurring every two years.

She grows biennial plants.

bimonthly

Bimonthly means both every two months and twice a month. Avoid using this word and be more specific.

We send our newsletter to clients every two weeks.
We contact our clients twice a month.