As adjectives the difference between unconventional and inconsistent
is that unconventional is not adhering to convention or accepted standards while inconsistent is not consistent.
As a noun unconventional
is something or someone that is unconventional.
unconventional
English
Adjective
(
en adjective)
Not adhering to convention or accepted standards
Out of the ordinary
Atypical
Noun
(
en noun)
Something or someone that is unconventional.