Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
hard-nosed is an adjective meaning "guided by practical experience and observation rather than theory". It carries one recorded sense.
guided by practical experience and observation rather than theory
“a hardheaded appraisal of our position”
“a hard-nosed labor leader”
“completely practical in his approach to business”
“not ideology but pragmatic politics”
Definitions, synonyms and semantic relations for hard-nosed come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.