1. (adj) careless
marked by lack of attention or consideration or forethought or thoroughness; not careful
Synonyms: regardless, careless(p)
Antonyms: particular(a), too-careful, attentive, elaborated, narrow, sure, minute, studious, close, artful, certain, detailed, protective(p), conscientious, careful, scrupulous, thoughtful, thorough, elaborate, heedful, blow-by-blow, paying attention, painstaking, overcareful
2. (adj) careless
effortless and unstudied
Synonyms: regardless, careless(p)
Antonyms: conscientious, protective(p), painstaking, heedful, minute, overcareful, thoughtful, sure, certain, too-careful, scrupulous, studious, blow-by-blow, thorough, careful, artful, detailed, elaborate, narrow, elaborated, paying attention, attentive, particular(a), close
3. (adj) careless(p), regardless
(usually followed by `of') without due thought or consideration
Antonyms: certain, overcareful, painstaking, close, protective(p), detailed, minute, blow-by-blow, elaborated, attentive, narrow, careful, elaborate, scrupulous, artful, thoughtful, too-careful, conscientious, studious, paying attention, thorough, heedful, particular(a), sure
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Synonyms and Antonyms of careless 
