unconvincing
adjective
1. not convincing
- as unconvincing as a forced smile
Similar word(s): unpersuasive, incredible, unbelievable, flimsy
2. having a probability too low to inspire belief
Similar word(s): implausible, improbable, unbelievable, unlikely
Sentences with unconvincing as an adjective:
- He gave me an unconvincing explanation of the fault, but I have my doubts.