Hawaiian Word of the Day: November 10th By Leilani Poli`ahu • Nov 10, 2017 TweetShareGoogle+Email Listen Listening... / 0:31 Nui means “big, greatest, grand, important.” As in aliʻi nui. Hale nui would be a big house. And mea nui would be an important thing. Used as an adjective it follows the noun. It can also mean “many or a group.” Tags: HWOTDhawaiianWordTweetShareGoogle+EmailView the discussion thread.