The meaning of AUTHORITATIVE is having, marked by, or proceeding from authority. How to use authoritative in a sentence.

AUTHORITATIVE definition: 1. showing that you are confident, in control, and expect to be respected and obeyed: 2…. Learn more.

Someone or something that is authoritative gives an impression of power and importance and is likely to be obeyed. He has a commanding presence and a deep, authoritative voice. Her smile was warm …

Definition of authoritative adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. Having or arising from authority; official: an authoritative decree; authoritative sources. 2. Of acknowledged accuracy or excellence; highly reliable: an authoritative account of the revolution. 3. …

AUTHORITATIVE definition: having due authority; having the sanction or weight of authority. See examples of authoritative used in a sentence.

substantiated or supported by documentary evidence and accepted by most authorities in a field: an authoritative edition of Shakespeare; an authoritative treatment of a subject.

Dec 4, 2025 · authoritative (comparative more authoritative, superlative most authoritative) Arising or originating from a figure of authority. synonyms Synonyms: formal, proper The authoritative rules in …

authoritative, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Authoritative means sure or definitive. When writing a paper, it can be useful to quote from an authoritative source, such as the encyclopedia, but you must also do enough research that you are …