As adjectives the difference between undeveloped and unrefined
is that undeveloped is not developed or used while unrefined is crude, raw or unprocessed.
undeveloped
English
Alternative forms
* undevelopt
Adjective
(
en adjective)
not developed or used
lagging behind others, especially in economic or social matters
unrefined
English
Adjective
(
en adjective)
crude, raw or unprocessed
(of a person) lacking refinement; uncouth
Synonyms
* See also
* See also