As adjectives the difference between sulliable and unsulliable
is that sulliable is capable of being sullied while unsulliable is not sulliable, incapable of being dirtied or degraded.
sulliable
English
Adjective
(-)
Capable of being sullied. unsulliable
English
Adjective
(-)
Not sulliable, incapable of being dirtied or degraded