RichThesaurus
unaffectionate
vs
unresponsive
unaffectionate
adj
Not affectionate; dispassionate.
unresponsive
adj
Indifferent or apathetic; emotionless.
Not responsive; unreactive.
How often have the words
unaffectionate
and
unresponsive
occurred in a corpus of books?
(source:
Google Ngram Viewer
)