noun

1. Something that is published or released once every two weeks.

   “The local paper is a biweekly.”

adjective

1. Occurring once every two weeks.

2. Occurring twice a week (but see the Usage notes).

Synonyms: fortnightly, twi-weekly, semiweekly, twice-weekly

adverb

1. Every two weeks.

2. Twice a week (but see the Usage notes).

Synonyms: fortnightly, semi-weekly, twice, weekly