[ ap-ruh-poh ]
/ ˌæp rəˈpoʊ /


fitting; at the right time; to the purpose; opportunely.
Obsolete. by the way.


opportune; pertinent: apropos remarks.


    apropos of, with reference to; in respect or regard to: apropos of the preceding statement.

Origin of apropos

1660–70; < French à propos literally, to purpose < Latin ad prōpositum. See ad-, proposition
Can be confusedappropriate apropos expropriate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for apropos of


/ (ˌæprəˈpəʊ) /


appropriate; pertinent


appropriately or pertinently
by the way; incidentally
apropos of (preposition) with regard to; in respect of

Word Origin for apropos

C17: from French à propos to the purpose
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

Word Origin and History for apropos of



1660s, "opportunely," from French à propos "to the purpose," from propos "thing said in conversation, talk; purpose, plan," from Latin propositium "purpose," past participle of proponere "to set forth, propose" (see propound). Meaning "as regards" is 1761, from French. As an adjective, "to the point or purpose," from 1690s.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with apropos of

apropos of

Concerning, in connection with, as in Apropos of keeping in touch, I haven't heard from her in months. This idiom was a borrowing of the French à propos de (“to the purpose of”) in the 17th century. At first it was used without of and meant “fitting” or “opportune,” as in Their prompt arrival was very appropos. By the 1700s it was also being used with of, as in the current idiom, for “concerning” or “by way of.”

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.