Unpersuasive (adjective)

Not able to convince or persuade.

Origin:

The word "unpersuasive" is formed by the prefix "un-" which means not, and the word "persuasive" which means able to convince or persuade. together they form an adjective that means not able to convince or persuade.

Examples:

1. His argument was unpersuasive, I couldn't agree with him.
2. Her reasoning was unpersuasive, I couldn't see her point of view.
3. The evidence was unpersuasive, it didn't support the claim.
4. The advertisement was unpersuasive, it didn't make me want to buy the product.
5. The speech was unpersuasive, it didn't change my opinion.