Careless
Careless , adjective
[Anglo-Saxon cearleás.]
1.
Free from care or anxiety. hence, cheerful; light-hearted. — Spenser
Sleep she as sound as careless infancy.
2.
Having no care; not taking ordinary or proper care; negligent; unconcerned; heedless; inattentive; unmindful; regardless.
My brother was too careless of his charge.
He grew careless of himself.
3.
Without thought or purpose; without due care; without attention to rule or system; unstudied; inconsiderate; spontaneous; rash; as, a careless throw; a careless expression.
He framed the careless rhyme.
4.
Not receiving care; uncared for. [Rare]
Their many wounds and careless harms.