hi

play
interjection \ˈhī(-ē)\

Definition of hi

  1. —used especially as a greeting

Origin and Etymology of hi

Middle English hy


First Known Use: 15th century


HI

abbreviation

Definition of HI

  1. 1 Hawaii

  2. 2 high intensity

  3. 3 humidity index

Other Climate/Meteorology Terms



HI Defined for English Language Learners

hi

play
interjection \ˈhī(-ē)\

Definition of hi for English Language Learners

  • —used as an informal way of saying “hello”


HI Defined for Kids

hi

play
interjection \ˈhī\

Definition of hi for Students

  1. —used especially as a greeting


HI

abbreviation

Definition of HI for Students

  1. Hawaii


Medical Dictionary

HI

abbreviation

Medical Definition of HI

  1. hemagglutination inhibition


Learn More about hi


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