Definition of ciao in English:

ciao

exclamation

informal
  • Used as a greeting at meeting or parting.

    ‘see you later—ciao!’
    • ‘The penultimate week is tense, but everyone knows it's time to say ciao to Conte.’
    • ‘I opened the door, he kissed my cheeks and said ciao, and I walked away.’
    • ‘To say goodbye, most Uruguayans have adopted the Italian ciao or addio in place of the Spanish adios.’
    • ‘Remnants of the Italian occupation during World War II exist in the capital, such as the use of ciao to say ‘good-bye.’’
    farewell, adieu
    View synonyms

Origin

Italian, dialect alteration of schiavo ‘(I am your) slave’, from medieval Latin sclavus ‘slave’.

Pronunciation

ciao

/tʃaʊ/