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interjection

ciao

/tʃˈao/

an informal greeting meaning "hi" or "bye"

Definitions

  1. 1

    used to greet someone informally when arriving

    “Ciao, come stai oggi? Tutto bene?”

    Hi, how are you today? All good?

  2. 2

    used to say goodbye informally when leaving

    “Adesso vado, ciao, ci vediamo domani!”

    I'm going now, bye, see you tomorrow!

Word forms

Usage
Invariable interjection; not a noun, so it has no gender or plural form.

Very informal; used with friends, family, or peers, not in formal or professional settings where "buongiorno" or "buonasera" is preferred.