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ciao

interjectionnouncommon in dialogue

  • //t͡ʃaʊ//

Hello, hi.

interjection

  1. 1

    Hello, hi.

  2. 2

    Bye, goodbye.

Etymology

Borrowed from Italian ciao (“hello, goodbye”), from Venetan ciao (“hello, goodbye, your (humble) servant”), from Venetan s-ciao / s-ciavo (“servant, slave”), from Medieval Latin sclavus (“Slav, slave”), related also to Italian schiavo, English Slav, slave and Old Venetan S-ciavón (“Slav”), from Latin Sclavus, ultimately from Proto-Slavic *slověninъ. Not related to Vietnamese chào (“hello, goodbye”). Doublet of Slav and slave.

noun

  1. 1

    A greeting or farewell using the word "ciao".

    […] he excused himself, disappearing in a cloud of ciaos and operatic Italian.

    You hear more ciaos than hellos. Guests play bocce ball on the beach and dine on Italian and some Bahamian cuisine. Because of its strong Continental overlay, the cuisine is better here than at your typical Grand Bahama hotel.

Forms

plural
ciaos
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).