Antonym of careless

Antonyms of adj careless

3 senses of careless

Sense 1:

careless (vs. careful)

careful (vs. careless)
blow-by-blowcertain, surecloseconscientious, painstaking, scrupulousdetailed, elaborate, elaboratedminute, narrowovercareful, too-carefulparticular(prenominal)protective(predicate)studiousthorough

Sense 2:

careless

INDIRECT (VIA artless) -> artful

Sense 3:

careless(predicate), regardless

INDIRECT (VIA heedless) -> heedful, attentive, thoughtful, paying attention