unconvincing

adjective

un·​con·​vinc·​ing ˌən-kən-ˈvin(t)-siŋ 

: not convincing : implausible

an unconvincing argument

unconvincingly

ˌən-kən-ˈvin(t)-siŋ-lē 

adverb

unconvincingness noun

Synonyms of unconvincing

• incredulous
• incredible
• unlikely
• implausible
• impossible
• questionable
• ridiculous
• unbelievable
• absurd

Examples of unconvincing in a Sentence

His arguments for changing the rules were unconvincing.

a novel with unconvincing characters

Recent Examples on the Web

Judge Sweeney found this defense unconvincing; the presence of both athletes who stay in school past their NCAA eligibility and incoming freshmen arguably creates more, not less, competition. — Michael McCann, Sportico.com, 1 Aug. 2026

This discovery stunned de Man’s colleagues and students, and was particularly traumatic for Derrida, who attempted a tortured but ultimately unconvincing reckoning with what his friend had written as a young man. — Literary Hub, 30 July 2026

This is not to say that the journey Nolan takes is not worthwhile, nor Damon’s performance is unconvincing. — Sarah Shachat, IndieWire, 21 July 2026

Throughout the hearing, Kaufman tried to backpedal on his comments about vaccines, but his responses were unconvincing. — Beth Mole, ArsTechnica, 16 July 2026

Word History

First Known Use

1653, in the meaning defined above

Rhymes for unconvincing

• convincing
• evincing
• mincing
• rinsing
• wincing