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unauthoritative Synonyms
Another word for unauthoritative
Choosing another word for unauthoritative depends on context, so the 11 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• adjective (Context 1)
Not able to be trusted as accurate, reliable, or definitive; lacking recognized expertise or factual weight.
Usage Example
"The historian dismissed the anonymous pamphlet as an unreliable source of information."
Strongest
unreliable
Strong
unverified
unsubstantiated
unofficial
Weak
inaccurate
dubious
• adjective (Context 2)
Lacking official power, jurisdiction, or a commanding presence that inspires obedience and respect.
Usage Example
"His hesitant, unofficial tone failed to quiet the restless audience."
Strong
unofficial
unauthorized
diffident
Weak
tentative
powerless
ineffectual
Opposites of unauthoritative
The opposite of unauthoritative shifts depending on context. Common opposites include:
authoritative
definitive
commanding
reliable
credible
official
trustworthy
decisive
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Unauthoritative. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unauthoritative