- (a.) Without thought or purpose; without due care; without attention to rule or system; unstudied; inconsiderate; spontaneous; rash; as, a careless throw; a careless expression.
- (a.) Not receiving care; uncared for.
- (a.) Free from care or anxiety. hence, cheerful; light-hearted.
- (a.) Having no care; not taking ordinary or proper care; negligent; unconcerned; heedless; inattentive; unmindful; regardless.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). careless. Retrieved September 21, 2026, from http://smartdefine.org/careless/definitions/1984787 |
| Chicago | Webster's. 2011. "careless" http://smartdefine.org/careless/definitions/1984787 (accessed September 21, 2026). |
| Harvard | Webster's 2011, careless, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/careless/definitions/1984787>. |
| MLA | Webster's. "careless" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/careless/definitions/1984787> |