- (a.) Of or pertaining to the night or to every night; happening or done by night or every night; as, nightly shades; he kept nightly vigils.
- (adv.) At night; every night.
- (a.) Of or pertaining to the night or to every night; happening or done by night or every night; as, nightly shades; he kept nightly vigils.
- (adv.) At night; every night.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). nightly. Retrieved September 20, 2026, from http://smartdefine.org/nightly/definitions/2036745 |
| Chicago | Webster's. 2011. "nightly" http://smartdefine.org/nightly/definitions/2036745 (accessed September 20, 2026). |
| Harvard | Webster's 2011, nightly, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/nightly/definitions/2036745>. |
| MLA | Webster's. "nightly" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/nightly/definitions/2036745> |