Unrefined is a related term of tasteless.
As adjectives the difference between unrefined and tasteless
is that unrefined is crude, raw or unprocessed while tasteless is having no flavour; bland, insipid.
unrefined
English
Adjective
(
en adjective)
crude, raw or unprocessed
(of a person) lacking refinement; uncouth
Synonyms
* See also
* See also
tasteless
English
Adjective
(
en adjective)
Having no flavour; bland, insipid
Lacking delicacy, refinement and good taste; unbecoming, crass.
Anagrams
*