| 1. | the first day of the week, observed as the Sabbath by most Christian sects. |
| 2. | of, pertaining to, or characteristic of Sunday. |
| 3. | used, done, taking place, or being as indicated only on or as if on Sundays: a Sunday matinée. |
| 4. | a month of Sundays, an indeterminately great length of time: She hadn't taken a vacation in a month of Sundays. |
