hardheaded vs hard-nosed

hardheaded and hard-nosed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hardheaded	No	Yes	No	No
hard-nosed	No	Yes	No	No

As adjectives, hardheaded and hard-nosed are synonyms defined as:

hardheaded and hard-nosed: guided by practical experience and observation rather than theory

Other synonyms of hardheaded include practical, pragmatic.

hardheaded (adjective)	hard-nosed (adjective)
guided by practical experience and observation rather than theory	guided by practical experience and observation rather than theory
unreasonably rigid in the face of argument or entreaty or attack