inhuman vs cold-blooded

inhuman and cold-blooded both are adjectives.

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

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

Other synonyms of inhuman include cold, insensate.

inhuman (adjective)	cold-blooded (adjective)
without compunction or human feeling	having cold blood (in animals whose body temperature is not internally regulated)
belonging to or resembling something nonhuman	without compunction or human feeling