Thesaurus

authoritative

adjective

Synonyms and Antonyms of authoritative

  1. 1 being the most accurate and apparently thorough this book is considered the most authoritative source on that subject Synonyms definitive, classic, classical, magisterialRelated Words conclusive, decisive; approved, official, sanctioned; accurate, correct; complete, comprehensive, exhaustive, thorough

  2. 2 having power over the minds or behavior of others after a couple of authoritative critics panned the movie, the other reviewers rushed to say how awful it was Synonyms influential, forceful, weightyRelated Words cogent, controlling, dominating, masterful; dominant, predominant, regnant, sovereign (also sovran), supreme; eminent, important, momentousNear Antonyms helpless, impotent, powerless, weak; incapable, unable

  3. 3 fond of ordering people around she's very authoritative for someone who doesn't actually outrank us Synonyms authoritarian, bossy, autocratic (also autocratical), despotic, dictatorial, domineering, imperious, masterful, overbearing, peremptory, tyrannical (also tyrannic), tyrannousRelated Words arrogant, assumptive, disdainful, fastuous, haughty, highfalutin (also hifalutin), high-and-mighty, high-hat, huffy, important, lofty, lordly, overweening, presuming, presumptuous, pretentious, proud, self-asserting, supercilious, superior, toplofty (also toploftical), uppish, uppity; commanding, controlling, dictating, regimental; arbitrary, high-handed, imperial; directorial, magisterial; aggressive, assertive, self-assertive; imperative; conceited, narcissistic, pompous, vain; all-powerful, almighty, omnipotent; firm, sternNear Antonyms humble, meek, modest, unassuming; amenable, docile, obedient, tractable; indecisive, irresolute; acquiescent, compliant, passive, resigned, submissive, yielding



Seen and Heard

What made you want to look up authoritative? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!