1. nvt. To conquer, take by force; conqueror. ʻO Ka-mehameha ka naʻi aupuni, Ka-mehameha, the conqueror of the nation. (PCP ngaki).
2. vt. To strive to obtain, endeavor to examine or understand. Ua naʻi ʻoia i ka pono o nā keiki, he does all he can for the well-being of the children.