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Hi vs. Hello

Hi

/haɪ/

A greeting or expression to say hello.

Examples:

Hi, doctor.'Are all the returns hi, then?'"Hi!" she yelled gaily.

Synonyms:

Antonyms:

Hello

/həˈləʊ/

A greeting or expression to call attention, often used when meeting someone or answering the phone

Examples:

Hello!'We must go and say hello to Mr Macey,' said Dolly."Hello, what is that?" he demanded in startled surprise.

Synonyms:

Antonyms:

Ways to tell them apart:

Hi is typically more casual and informal.
Hello can be both formal and informal, depending on the context.
Hi is often used among friends or peers, while Hello is more universally accepted.
Hello might be used in more formal settings, such as answering the phone or meeting someone for the first time.
Hi is shorter and often used for quick greetings.

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