Hi

[hahy] /haɪ/

interjection
1.
(used as an exclamation of greeting); hello!
[hahy] /haɪ/
adjective
1.
an informal, simplified spelling of :
hi fidelity.
1.
Hawaii (approved especially for use with zip code).
1.
Hawaiian Islands.
2.
Meteorology. heat index.
/haɪ/
sentence substitute
1.
an informal word for hello
/haɪ/
interjection
1.
an expression used to attract attention
abbreviation
1.
Hawaii (state)
2.
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.

interjection

A salutation upon meeting: The staccato cry of ”Hi!,” which we judged to be the almost universal greeting

[first form 1862+, second 1940+; probably based on hi, ”hey,” exclamation used to call attention, found by 1475]

hmake interactive
1.
high
2.
Hindi
1.
Hawaii
2.
high intensity
3.
humidity index
Hawaiian Islands