adjective, noun, plural -lies, adverb | 1. | pertaining to a month, or to each month. |
| 2. | done, happening, appearing, etc., once a month: a monthly magazine. |
| 3. | computed or determined by the month: a monthly salary. |
| 4. | continuing or lasting for a month. |
| 5. | a periodical published once a month. |
| 6. | Sometimes, monthlies. Informal. a menstrual period. |
| 7. | once a month; by the month. |