carelessly

adjective

1. not paying enough attention to what one does: a careless typist.
2. not exact, accurate, or thorough: careless work.
3. done or said heedlessly or negligently; unconsidered: a careless remark.
4. not caring or troubling; having no care or concern; unconcerned (usually followed by of, about, or in): careless of the rights of others; careless about one’s behavior; careless in speech.
5. possessed or caused without effort or art; unstudied: careless beauty.
6. Archaic. free from anxiety.

adjective

1. done with or acting with insufficient attention; negligent
2. (often foll by in, of, or about) unconcerned in attitude or action; heedless; indifferent (to)she’s very careless about her clothes
3. (usually prenominal) carefree
4. (usually prenominal) unstudied; artlessan impression of careless elegance

adj.

Old English carleas “free from anxiety; unconcerned,” from care (n.) + -less; a compound probably from Proto-Germanic. Original senses extinct by mid-17c.; main modern meaning “not paying attention, inattentive, not taking due care” is first recorded 1560s (in carelessly).