careful

1 having or showing a close attentiveness to avoiding danger or trouble careful drivers slow down on slick or icy roadways Synonyms alert, cautious, chary, circumspect, conservative, considerate, gingerly, guarded, heedful, safe, wary Related Words advertent, attentive, awake, observant, regardful, vigilant, watchful; hypercautious; foresighted, foresightful, forethoughtful, provident, thoughtful; cagey (also cagy), calculating, canny, shrewd; deliberate, slow; ultracareful, ultracautious Near Antonyms bold, brash, impetuous, rash, reckless, venturesome; asleep, inattentive, regardless; inconsiderate, thoughtless; lax, neglectful, negligent, remiss; imprudent, indiscreet, injudicious; absentminded, forgetful; inadvertent, unintentional, unplanned Antonyms careless, heedless, incautious, unguarded, unmindful, unsafe, unwary

2 taking, showing, or involving great care and effort that furniture maker was known to be a most careful worker, so his output was small Synonyms painstaking, conscientious, fussy, loving, meticulous, scrupulousRelated Words assiduous, diligent, indefatigable, persevering, sedulous; exhaustive, thorough, thoroughgoing; alert, attentive, observant, vigilant, watchful; accurate, exact, precise, strict; critical, demanding, discriminating, exacting, fastidious, finicky, particular; cautious, chary, circumspect, gingerly, guarded, heedful, mindful, wary; deliberate, plodding, slow; studied, thoughtful; all-out, determined, dogged, intensive, patient, tenacious, tireless, zealousNear Antonyms cursory, halfhearted; heedless, inattentive, incautious, mindless, regardless, unguarded, unsafe, unwary; lax, neglectful, negligent, slipshod, sloppy, slovenly; imprecise; inaccurate, uncritical, undemanding, undiscriminating; bold, impetuous, rash, reckless; apathetic, indifferent, lackadaisical, lazy, lazyishAntonyms careless