Imperceivable is a related term of unfeeling.
As adjectives the difference between imperceivable and unfeeling
is that imperceivable is that cannot be perceived; imperceptible while unfeeling is without emotion or sympathy.
unfeeling
English
Synonyms
* emotionless
* stony
* uncaring
Antonyms
* sympathetic
Derived terms
* unfeelingly
* unfeelingness