faithful

1 firm in one's allegiance to someone or something fans of the Chicago Cubs are famously faithful Synonyms constant, dedicated, devoted, devout, down-the-line, fast, good, loyal, pious, staunch (also stanch), steadfast, steady, true, true-blue Related Words dependable, dutiful, reliable, responsible, solid, tried, tried-and-true, trustworthy, trusty; unfaltering, unhesitating, unwavering; determined, intent, resolute; confirmed, dyed-in-the-wool, inveterate, sworn; ardent, avid, enthusiastic, fervent, fervid, gung ho, impassioned, passionate, serious Near Antonyms irresponsible, undependable, unreliable, untrustworthy; faltering, hesitant, vacillating, wavering; dubious, irresolute, shaky, uncertain; apathetic, dispassionate, uninterested Antonyms disloyal, faithless, false, fickle, inconstant, perfidious, recreant, traitorous, treacherous, unfaithful, untrue

2 following an original exactly a faithful filming of Robert Louis Stevenson's novel Treasure Island Synonyms accurate, authentic, exact, precise, right, strict, true, veracious Related Words lifelike, realistic; careful, conscientious, meticulous, punctilious, scrupulous; authoritative; bona fide, genuine, real, veridical Near Antonyms careless, slack, slipshod, slovenly; erroneous, incorrect, invalid, off, unsound, untrue, untruthful, wrong Antonyms corrupt, corrupted, false, imprecise, inaccurate, inauthentic, inexact, loose, unfaithful