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Definition of hi

hi

/haɪ/
hi
Plural:his
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hi Lexical Profile

hi Game Scores & Validity

• interjection

1

Used as a friendly, informal greeting when meeting someone or beginning a conversation.

Example

"Hi, it is great to finally meet you in person!"

2

Used as an exclamation to call attention to oneself or something.

Example

"Hi, watch where you are stepping on the wet pavement!"

Synonyms
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Antonyms
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• noun

1

An instance of saying 'hi'; a casual, friendly greeting.

Example

"She gave a quick hi to her neighbors before heading inside."

Synonyms
View all synonyms for hi
Antonyms
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Word Nuance & Usage

Not to be confused with its homophone 'high', which refers to elevation, degree, or intensity.

• Rhymes for hi

• Nearby Words

hexagonal
hey
heyday
hi
hiatus
hibachi
hibbertia

Word Origin & Etymology

First recorded in Middle English in the late 15th century as 'hy', originating as a natural exclamation to attract someone's attention and later popularized in 19th-century American English as a casual greeting.

Cite this Entry

Wordmom. (2026). Definition of Hi. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/hi
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