Antonyms of adj persuasible

1 sense of persuasible

Sense 1
convincible, persuadable, persuasible, suasible -- (being susceptible to persuasion)

INDIRECT (VIA susceptible) -> unsusceptible, insusceptible -- (not susceptible to)

Similarity of adj persuasible

1 sense of persuasible

Sense 1
convincible, persuadable, persuasible, suasible -- (being susceptible to persuasion)
       => susceptible (vs. unsusceptible) -- ((often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof")