Liberal Dictionary English Dictionary
adjective
- an informal, simplified spelling of high: hi fidelity.
sentence substitute
- an informal word for hello
interjection
- an expression used to attract attention
abbreviation for
- Hawaii (state)
- Hawaiian Islands
greeting, 1862, American English (first recorded reference is to speech of a Kansas Indian), originally to attract attention (15c.), probably a variant of Middle English hy, hey (late 15c.) also an exclamation to call attention. Extended form hiya attested from 1940.