Antonyms of adj careless

3 senses of careless

Sense 1
careless (vs. careful) -- (marked by lack of attention or consideration or forethought or thoroughness; not careful; "careless about her clothes"; "forgotten by some careless person"; "a careless housekeeper"; "careless proofreading"; "it was a careless mistake"; "hurt by a careless remark")

careful (vs. careless) -- (exercising caution or showing care or attention; "they were careful when crossing the busy street"; "be careful to keep her shoes clean"; "did very careful research"; "careful art restorers"; "careful of the rights of others"; "careful about one's behavior")
        => blow-by-blow -- (providing great detail; "a blow-by-blow account of the movie")
        => certain, sure -- (exercising or taking care great enough to bring assurance; "be certain to disconnect the iron when you are through"; "be sure to lock the doors")
        => close -- (rigorously attentive; strict and thorough; "close supervision"; "paid close attention"; "a close study"; "kept a close watch on expenditures")
        => conscientious, painstaking, scrupulous -- (characterized by extreme care and great effort; "conscientious application to the work at hand"; "painstaking research"; "scrupulous attention to details")
        => detailed, elaborate, elaborated -- (developed or executed with care and in minute detail; "a detailed plan"; "the elaborate register of the inhabitants prevented tax evasion"- John Buchan; "the carefully elaborated theme")
        => minute, narrow -- (characterized by painstaking care and detailed examination; "a minute inspection of the grounds"; "a narrow scrutiny"; "an exact and minute report")
        => overcareful, too-careful -- (excessively or unduly careful)
        => particular (prenominal) -- (providing specific details or circumstances; "a particular description of the room")
        => protective (predicate) -- ((usually followed by `of') solicitously caring or mindful; "protective of his reputation")
        => studious -- (marked by care and effort; "made a studious attempt to fix the television set")
        => thorough -- (painstakingly careful and accurate; "our accountant is thorough"; "thorough research")

Sense 2
careless -- (effortless and unstudied; "an impression of careless elegance"; "danced with careless grace")

INDIRECT (VIA artless) -> artful -- (marked by skill in achieving a desired end especially with cunning or craft; "the artful dodger"; "an artful choice of metaphors")

Sense 3
careless (predicate), regardless -- ((usually followed by `of') without due thought or consideration; "careless of the consequences"; "crushing the blooms with regardless tread")

INDIRECT (VIA heedless) -> heedful, attentive, thoughtful, paying attention -- (taking heed; giving close and thoughtful attention; "heedful of the warnings"; "so heedful a writer"; "heedful of what they were doing")

Similarity of adj careless

3 senses of careless

Sense 1
careless (vs. careful) -- (marked by lack of attention or consideration or forethought or thoroughness; not careful; "careless about her clothes"; "forgotten by some careless person"; "a careless housekeeper"; "careless proofreading"; "it was a careless mistake"; "hurt by a careless remark")
       => casual, cursory, passing (prenominal), perfunctory -- (hasty and without attention to detail; not thorough; "a casual (or cursory) inspection failed to reveal the house's structural flaws"; "a passing glance"; "perfunctory courtesy")
       => haphazard, slapdash, slipshod, sloppy -- (marked by great carelessness; "a most haphazard system of record keeping"; "slapdash work"; "slipshod spelling"; "sloppy workmanship")
       => heedless, reckless -- (characterized by careless unconcern; "the heedless generosity and the spasmodic extravagance of persons used to large fortunes"- Edith Wharton; "reckless squandering of public funds")
       => incautious -- (carelessly failing to exercise proper caution; "an incautious step sent her headlong down the stairs")
       => offhand, offhanded -- (casually thoughtless or inconsiderate; "an offhand manner"; "she treated most men with offhand contempt")
          Also See-> imprudent#1; inattentive#1; incautious#1; negligent#1; superficial#1; unconcerned#1

Sense 2
careless -- (effortless and unstudied; "an impression of careless elegance"; "danced with careless grace")
       => artless (vs. artful) -- (simple and natural; without cunning or deceit; "an artless manner"; "artless elegance")

Sense 3
careless (predicate), regardless -- ((usually followed by `of') without due thought or consideration; "careless of the consequences"; "crushing the blooms with regardless tread")
       => heedless (vs. heedful), unheeding -- (marked by or paying little heed or attention; "We have always known that heedless self-interest was bad morals; we know now that it is bad economics"--Franklin D. Roosevelt; "heedless of danger"; "heedless of the child's crying")