- (a.) Sluggishness of temperament; dullness; want of interest; indifference; coldness.
- (a.) Viscid mucus secreted in abnormal quantity in the respiratory and digestive passages.
- (a.) A watery distilled liquor, in distinction from a spirituous liquor.
- (a.) One of the four humors of which the ancients supposed the blood to be composed. See Humor.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). phlegm. Retrieved September 22, 2026, from http://smartdefine.org/phlegm/definitions/2044788 |
| Chicago | Webster's. 2011. "phlegm" http://smartdefine.org/phlegm/definitions/2044788 (accessed September 22, 2026). |
| Harvard | Webster's 2011, phlegm, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/phlegm/definitions/2044788>. |
| MLA | Webster's. "phlegm" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/phlegm/definitions/2044788> |