Authoritative List Of Klaviyo IP Addresses For Whitelisting

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. authoritative, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary Jan 20, 2026 · Highly accurate or definitive; treated or worthy of treatment as a scholarly authority. Synonyms: definitive, of record, precise This book is the world's most authoritative guide to insect. 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.