Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
greathearted is an adjective meaning "noble and generous in spirit". It carries one recorded sense.
noble and generous in spirit
“a greathearted general”
“a magnanimous conqueror”
Definitions, synonyms and semantic relations for greathearted come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.