| a. | 1. | Occurring or appearing once every two weeks; fortnightly. |
| Noun | 1. | biweekly - a periodical that is published biweekly |
| Adj. | 1. | biweekly - occurring twice a week Synonyms: semiweekly |
| 2. | biweekly - occurring every two weeks Synonyms: fortnightly | |
| Adv. | 1. | biweekly - twice a week; "he called home semiweekly" Synonyms: semiweekly |
| 2. | biweekly - every two weeks; "he visited his cousins fortnightly" Synonyms: fortnightly |