Find Synonyms

authoritative Synonyms

Another word for authoritative

Choosing another word for authoritative depends on context, so the 17 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• adjective (Context 1)

Able to be trusted as being accurate, true, or reliable; recognized as a definitive standard.

Usage Example

"Her three-volume history remains the most definitive account of the Renaissance period."

Strongest
definitive
reliable
Strong
dependable
trustworthy
credible
scholarly

• adjective (Context 2)

Commanding and self-confident; likely to be respected and obeyed.

Usage Example

"The orchestra conductor spoke in a calm, commanding voice that immediately quieted the rehearsal hall."

Strongest
commanding
Strong
assertive
confident
assured
decisive
masterful

• adjective (Context 3)

Proceeding from an official source and requiring compliance or obedience.

Usage Example

"The health ministry issued an official directive regarding hospital safety standards."

Strongest
official
Strong
sanctioned
authorized
legitimate
lawful

Opposites of authoritative

The opposite of authoritative shifts depending on context. Common opposites include:

unreliable
unofficial
unauthorized
timid
inaccurate
tentative
diffident
meek
See all opposites of authoritative

• Nearby Words

authoress
authoritarian
authoritarianism
authoritative
authoritatively
authoritativeness
authority

Cite this Entry

Wordmom. (2026). Synonyms for Authoritative. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/authoritative
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