开拓性 kāituòxìng pioneering Definitions Defs Origin Strokes Stroke Words Sentences Sents 开拓 開拓 kāituò verb to open up to open up; to develop or expand territory, markets, or horizons; to break new ground or pioneer a new field性 xìng affix [-ity] Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".