80%RatingSave Gender Masculine Usage Vietnamese Pronounced Pron. /haːj˧˩/, /haːj˧˨/, /haːj˨˩˦/ [key·simplify] Meaning & History From Sino-Vietnamese 海 (hải) meaning "sea, ocean". Related NamesFamily Tree·Details RoothảiOther Languages & CulturesHai(Chinese) Same SpellingHaiUser SubmissionsHa-i, Hai Categories isograms, ocean, sea, top 10 in Vietnam, water, wet