Authority Definition & Meaning | Britannica Dictionary

An Encylopedia Britannica Company The Britannica Dictionary mobile search
  • Home
  • Ask the Editor
  • Word of the Day
  • Quizzes
  • Core Vocabulary
  • Browse the Dictionary
×
  • Britannica Homepage
  • Ask the Editor
  • Word of the Day
  • Quizzes
  • Core Vocabulary
  • Browse the Dictionary
The Britannica Dictionary authority 3 ENTRIES FOUND:
  • authority (noun)
  • local authority (noun)
  • moral (adjective)
authority ˈθorəti/ noun plural authorities authority ˈθorəti/ noun plural authorities Britannica Dictionary definition of AUTHORITY 1 [noncount] : the power to give orders or make decisions : the power or right to direct or control someone or something [+] more examples [-] hide examples [+] Example sentences [-] Hide examples Synonyms see: [1]power 2 [noncount] a : the confident quality of someone who knows a lot about something or who is respected or obeyed by other people [+] more examples [-] hide examples [+] Example sentences [-] Hide examples b : a quality that makes something seem true or real [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 3 authorities [plural] : people who have power to make decisions and enforce rules and laws [+] more examples [-] hide examples [+] Example sentences [-] Hide examplesoften used with the [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 4 [count] : a person who is an expert on a subjectusually + on [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 5 [count] : a government organization that has control of a specified activity or area [+] more examples [-] hide examples [+] Example sentences [-] Hide examples

have it on good/excellent authority

◊ If you have it on good/excellent authority that something is true, you have been told that it is true by someone you trust and believe. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples ASK THE EDITOR
When do we not add -s to the third person singular in the simple present tense? See the answer »
QUIZZES Vocabulary Quiz Icon Vocabulary Quiz Test your word power Take the Quiz » Name That Thing Icon Name That Thing Take our visual quiz Test Your Knowledge » WORD OF THE DAY
Concoction Illustration concoction : something (such as a food or drink) that is made by mixing together different things Learn More »
  1. About Us & Legal Info
  2. Contact Us
  3. Privacy Notice
  4. Terms of Use
  5. Pronunciation Symbols
  6. Help
© 2026 Encyclopædia Britannica, Inc.

Tag » How Do You Spell Authority