adieu

[ uh-doo, uh-dyoo; French a-dyœ ]
/ əˈdu, əˈdyu; French aˈdyœ /

interjection

goodbye; farewell.

noun, plural a·dieus, a·dieux [uh-dooz, uh-dyooz; French a-dyœ] /əˈduz, əˈdyuz; French aˈdyœ/.

the act of leaving or departing; farewell.

Origin of adieu

1325–75; Middle English < Middle French, equivalent to a (< Latin ad to) + dieu (< Latin deus god)

Can be confused

à deux adieu ado (see synonym study at ado)
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Examples from the Web for adieux

British Dictionary definitions for adieux

adieu

/ (əˈdjuː, French adjø) /

sentence substitute, noun plural adieus or adieux (əˈdjuːz, French adjø)

goodbye; farewell

Word Origin for adieu

C14: from Old French, from a to + dieu God
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012