As adjectives the difference between heretical and unconventional
is that heretical is of or pertaining to heresy or heretics while unconventional is not adhering to convention or accepted standards.
As a noun unconventional is
something or someone that is unconventional.
heretical
English
Alternative forms
* (archaic)
Adjective
(
en adjective)
Of or pertaining to heresy or heretics.
(of ideas or views) Contrary to mainstream or accepted opinion.
Synonyms
* unorthodox
Related terms
* heresy
* heretic
* heretically
See also
* heterodox
* heterodoxy
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.