Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hi

2 senses of hi

Sense 1
hello, hullo, hi, howdy, how-do-you-do -- (an expression of greeting; "every morning they exchanged polite hellos")
       => greeting, salutation -- ((usually plural) an acknowledgment or expression of good will (especially on meeting))

Sense 2
Hawaii, Hawai'i, Aloha State, HI -- (a state in the United States in the central Pacific on the Hawaiian Islands)
       INSTANCE OF=> American state -- (one of the 50 states of the United States)