Authority

easy

uh-THOR-uh-tee

noun

Definition

A person with extensive knowledge in a field; the power to give orders or make decisions

Examples

She is a leading authority on Renaissance art.
The professor spoke with authority on the subject.

Synonyms

expertspecialistconnoisseurmaven

Antonyms

Categories

GRE Tip

Authority is a easy-difficulty GRE word. On the GRE, you might see it paired with synonyms like "expert" or "specialist" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "novice".

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