biweekly means occurring once every two weeks; fortnightly. Lexicurio rates it Rare gem — a strength score of 80 out of 100.
adj
- Occurring once every two weeks; fortnightly.
- Occurring twice a week.
adv
- Every two weeks.
- Twice a week (but see the Usage notes).
noun
- Something that is published or released once every two weeks.“The local paper is a biweekly.”