a fortiori

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Related to a fortiori: sine qua non

a for·ti·o·ri

 (ä fôr′tē-ôr′ē, ā)
For a still stronger reason; all the more.

[Latin ā fortiōrī : ā, from + fortiōrī, ablative of fortior, stronger.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

a fortiori

(eɪ ˌfɔːtɪˈɔːraɪ; -rɪ; ɑː)
for similar but more convincing reasons: if Britain cannot afford a space programme, then, a fortiori, neither can India.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

a for•ti•o•ri

(ɑ ˌfoʊr tɪˈoʊ ri; Eng. eɪ ˌfɔr ʃiˈɔr aɪ, eɪ ˌfoʊr ʃiˈoʊr aɪ)

adv. Latin.
for a still stronger reason; even more certain; all the more.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

a fortiori

A Latin phrase meaning for a stronger reason.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.a fortiori - with greater reason; for a still stronger, more certain reason; "if you are wrong then, a fortiori, so am I"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

a fortiori

advaufgrund des Vorhergehenden
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
If you ask me how she managed it, I can't tell you; it's no business of mine, and, a fortiori none of yours.
As that venerable and learned poet (whose voluminous works we all think it the correct thing to admire and talk about, but don't read often) most truly says, "The child is father to the man;" a fortiori, therefore, he must be father to the boy.
Virilio's decades-long diatribe against technology--technology as such, and a fortiori the Enlightenment project--involves a conception of "the accident" as technology's essential, defining defect, a flip-side automatism in a kind of technoentelechy.