conscientious

1 guided by or in accordance with one's sense of right and wrong operated on the belief that most people are conscientious, the unattended farm stand has a price list and a money drawer for customers to leave payment for their purchases Synonyms conscionable, ethical, honest, honorable, just, moral, principled, scrupulous Related Words decent, good, righteous, right-minded, straight, upright, virtuous; dutiful, observant, respectful; overconscientious; reliable, responsible, solid, tried-and-true, true, trustworthy, trusty; esteemed, law-abiding, reputable, respected, upstanding, worthy Near Antonyms bad, black, evil, evil-minded, immoral, indecent, sinful, unrighteous, wicked; unreliable, untrustworthy; corrupt, debased, debauched, degenerate, depraved, dissolute, perverted, reprobate; atrocious, infamous, villainous; base, low, mean, vicious, vile; iniquitous, nefarious Antonyms cutthroat, dishonest, dishonorable, immoral, unconscionable, unethical, unjust, unprincipled, unscrupulous

2 taking, showing, or involving great care and effort a counselor who serves patients by first being a conscientious listener Synonyms careful, painstaking, 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