unsentimental vs tough-minded

unsentimental and tough-minded both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unsentimental	No	Yes	No	No
tough-minded	No	Yes	No	No

As adjectives, unsentimental and tough-minded are synonyms defined as:

unsentimental and tough-minded: facing facts or difficulties realistically and with determination

unsentimental (adjective)	tough-minded (adjective)
facing facts or difficulties realistically and with determination	facing facts or difficulties realistically and with determination