HI
hello, hullo, hi, howdy, how-do-you-do
(noun) an expression of greeting; “every morning they exchanged polite hellos”
Hawaii, Hawai'i, Aloha State, HI, Haw.
(noun) a state in the United States in the central Pacific on the Hawaiian Islands
Source: WordNet® 3.1
Etymology 1
American English (first recorded reference is to speech of a Kansas Indian), originally to attract attention, probably a variant of Middle English hy, hey (circa 1475) also an exclamation to call attention.
Interjection
hi
A friendly, informal, casual greeting said when meeting someone.
An exclamation to call attention.
(dated) Expressing wonder or derision.
Synonyms
• (friendly informal greeting): hello, greetings
Noun
hi (plural his)
The word "hi" used as a greeting.
Synonyms
• greeting, hello
Etymology 2
Adjective
hi
Informal spelling of high, often hyphenated.
Anagrams
• IH
Proper noun
HI
Abbreviation of Hawaii.
Noun
HI (uncountable)
Initialism of hyperspectral imaging.
Anagrams
• IH
Etymology
Proper noun
Hi
A male given name, a short form of Hiram
Anagrams
• IH
Source: Wiktionary