- (n.) A general name applied to various insects belonging to the Hemiptera; as, the squash bug; the chinch bug, etc.
- (n.) One of certain kinds of Crustacea; as, the sow bug; pill bug; bait bug; salve bug, etc.
- (n.) A bugbear; anything which terrifies.
- (n.) An insect of the genus Cimex, especially the bedbug (C. lectularius). See Bedbug.
- (n.) One of various species of Coleoptera; as, the ladybug; potato bug, etc.; loosely, any beetle.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). bug. Retrieved September 20, 2026, from http://smartdefine.org/bug/definitions/1982976 |
| Chicago | Webster's. 2011. "bug" http://smartdefine.org/bug/definitions/1982976 (accessed September 20, 2026). |
| Harvard | Webster's 2011, bug, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/bug/definitions/1982976>. |
| MLA | Webster's. "bug" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/bug/definitions/1982976> |