Antonyms of adj carefree

2 senses of carefree

Sense 1
carefree, unworried -- (free of trouble and worry and care; "the carefree joys of childhood"; "carefree millionaires, untroubled financially")

INDIRECT (VIA untroubled) -> troubled -- (characterized by or indicative of distress or affliction or danger or need; "troubled areas"; "fell into a troubled sleep"; "a troubled expression"; "troubled teenagers")

Sense 2
carefree, devil-may-care, freewheeling, happy-go-lucky, harum-scarum, slaphappy -- (cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth")

INDIRECT (VIA irresponsible) -> responsible -- (worthy of or requiring responsibility or trust; or held accountable; "a responsible adult"; "responsible journalism"; "a responsible position"; "the captain is responsible for the ship's safety"; "the cabinet is responsible to the parliament")

Similarity of adj carefree

2 senses of carefree

Sense 1
carefree, unworried -- (free of trouble and worry and care; "the carefree joys of childhood"; "carefree millionaires, untroubled financially")
       => untroubled (vs. troubled) -- (not beset by troubles or disturbance or distress; "seemed untroubled by doubts of any kind"; "untroubled sleep"; "a kind untroubled face")

Sense 2
carefree, devil-may-care, freewheeling, happy-go-lucky, harum-scarum, slaphappy -- (cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth")
       => irresponsible (vs. responsible) -- (showing lack of care for consequences; "behaved like an irresponsible idiot"; "hasty and irresponsible action")