unconvincingly
un-con-vinc-ing-ly
adverb
In a manner that fails to persuade or make one believe something.
"He argued his case rather unconvincingly."
Thesaurus
Antonyms: convincingly
un-con-vinc-ing-ly
In a manner that fails to persuade or make one believe something.
"He argued his case rather unconvincingly."
Antonyms: convincingly