unpersuasive

/ˌʌnpərˈsweɪsɪv/
adjective
  1. Not able to convince or persuade; lacking force or credibility in argument.
    • The lawyer's closing statement was unpersuasive, and the jury found the defendant guilty.
    • I found the advertisement unpersuasive because it made claims that seemed exaggerated.
    • His excuse for being late was unpersuasive, so the teacher gave him detention.
Antonyms
What does "unpersuasive" mean? | whatsthatwordmean | whatsthatwordmean