Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
die-hard is an adjective meaning "tradition-bound and obstinately opinionated". It carries one recorded sense.
tradition-bound and obstinately opinionated
“an inflexible (or die-hard) conservative”
“rock-ribbed republican”
Definitions, synonyms and semantic relations for die-hard come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.