Uncordial is a related term of unresponsive.
As adjectives the difference between uncordial and unresponsive
is that uncordial is not cordial while unresponsive is not responsive; unreactive.
unresponsive
English
Adjective
(
en adjective)
Not responsive; unreactive.
Indifferent or apathetic; emotionless.
Synonyms
* nonresponsive
Antonyms
* responsive