- (interj.) An expression of languor.
- (a.) Lackadaisical.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). lackadaisy. Retrieved September 20, 2026, from http://smartdefine.org/lackadaisy/definitions/2026096 |
| Chicago | Webster's. 2011. "lackadaisy" http://smartdefine.org/lackadaisy/definitions/2026096 (accessed September 20, 2026). |
| Harvard | Webster's 2011, lackadaisy, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/lackadaisy/definitions/2026096>. |
| MLA | Webster's. "lackadaisy" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/lackadaisy/definitions/2026096> |