say it: uhn-kuhn-VIN-sing
unconvincing is an adjective meaning "not convincing". It carries 2 recorded senses.
not convincing
“a flimsy argument”
“as unconvincing as a forced smile”
having a probability too low to inspire belief
Definitions, synonyms and semantic relations for unconvincing come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.