authoritative — having or showing authority; reliable and accurate because based on expert knowledge
Part of speech: ADJECTIVE
Definition: having or showing authority; reliable and accurate because based on expert knowledge
Pronunciation (IPA): /əˈθɔːrəteɪtɪv/
Example Sentences
- My mom's authoritative 'Because I said so!' ended all kitchen debates about who ate the last cookie.
- The authoritative encyclopedia became outdated when Wikipedia taught us that anyone can be an expert.
- The doctor's authoritative diagnosis was confirmed by multiple medical tests.
authoritative
ADJECTIVE[/əˈθɔːrəteɪtɪv/]
having or showing authority; reliable and accurate because based on expert knowledge

The judge's authoritative ruling silenced the entire courtroom instantly.

Her authoritative vision makes administrative work innovative!
Got the picture? Now let's practice.
🎤Pronunciation
🌳Etymology
Origin
From Middle English and Old French 'autoritatif', derived from Latin 'auctoritas' meaning 'power, influence, or prestige', which comes from 'auctor' meaning 'author' or 'creator'.
Breakdown
author (one who creates/originates) + -ity (noun suffix indicating state/quality) + -ative (adjective suffix indicating tendency/quality) = authoritative
🎵Rhyme
🔗Collocations
📝Examples
“My mom's authoritative 'Because I said so!' ended all kitchen debates about who ate the last cookie.”
“The authoritative encyclopedia became outdated when Wikipedia taught us that anyone can be an expert.”
“The doctor's authoritative diagnosis was confirmed by multiple medical tests.”
“She spoke with such authoritative confidence that even Google felt insecure.”
📚Related Words
Synonyms
Antonyms
Related
Want to master 19,000+ words?
Sign up free for flashcards & quizzes.