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

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

As a kid growing up in a religious household, Jean found the strict doctrines of Christianity unconvincing. — Juliet Linderman, Fortune, 16 July 2026

As for the later game in Kansas City, Switzerland’s players will know there are weaknesses in this Argentina team, having watched their unconvincing 3-2 victories over both Cape Verde and Egypt in the knockout stage. — Oliver Kay, New York Times, 15 July 2026

While the words are technically correct, the content feels flat and unconvincing. — Bar Maimon, Forbes.com, 10 July 2026

Word History

First Known Use

1653, in the meaning defined above

Rhymes for unconvincing

• convincing
• evincing
• mincing
• rinsing
• wincing