cold-blooded vs insensate

cold-blooded and insensate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
cold-blooded	No	Yes	No	No
insensate	No	Yes	No	No

As adjectives, cold-blooded and insensate are synonyms defined as:

Other synonyms of cold-blooded include cold, inhuman.

cold-blooded (adjective)	insensate (adjective)
having cold blood (in animals whose body temperature is not internally regulated)	devoid of feeling and consciousness and animation
without compunction or human feeling	without compunction or human feeling