| Noun | 1. | bimonthly - a periodical that is published bimonthly | |
| Adj. | 1. | bimonthly - occurring twice a month; "a semimonthly publication" | |
| 2. | bimonthly - occurring every two months; "bimonthly visits" | |
| Adv. | 1. | bimonthly - twice a month; "salaries are paid semimonthly" | |
| 2. | bimonthly - every two months; "the bill was payable bimonthly" | |