As adjectives the difference between impractical and unconventional
is that impractical is not practical; impracticable while unconventional is not adhering to convention or accepted standards.
As a noun unconventional is
something or someone that is unconventional.
impractical
English
Usage notes
* Said of people, theories, philosophies, etc.
Antonyms
* practical
Derived terms
* impracticality
* impractically
* impracticalness
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.