WordReference Random House Learner's Dictionary of American English © 2026
un•con•vinc•ing /ˌʌnkənˈvɪnsɪŋ/USA pronunciation adj.
WordReference Random House Unabridged Dictionary of American English © 2026- not convincing;
not persuasive:The arguments were unconvincing.
'unconvincingly' also found in these entries (note: many are not synonyms or translations):