non-persuasive

adjective

1. able, fitted, or intended to persuade: a very persuasive argument.

noun

2. something that persuades; inducement.

adjective

1. having the power or ability to persuade; tending to persuadea persuasive salesman

adj.1580s, from Middle French persuasif, from Medieval Latin persuasivus, from Latin persuas-, past participle stem of persuadere “persuade, convince” (see persuasion). Related: Persuasively; persuasiveness. Replaced earlier persuasible in this sense (see persuadable).