Synonyms

a fortiori

American

[ah fohr-ti-oh-ree, ey fawr-shee-awr-ahy, ey fohr-shee-ohr-ahy] / ɑ ˌfoʊr tɪˈoʊ ri, eɪ ˌfɔr ʃiˈɔr aɪ, eɪ ˌfoʊr ʃiˈoʊr aɪ /

adverb

Latin.

for a still stronger reason; even more certain; all the more.

a fortiori British

/ eɪ ˌfɔːtɪˈɔːraɪ, ɑː-, -rɪ /

adverb

for similar but more convincing reasons

if Britain cannot afford a space programme, then, a fortiori, neither can India

"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

Etymology

Origin of a fortiori

Latin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

a fortiori

"That said... that does not mean that the individuals who were targeted, and a fortiori the person who died, were themselves involved in trafficking. I want to be absolutely clear on that".

From BBC ● May 15, 2026

For, after all, is it not by now conceded that, a fortiori, if marzeydoats and doazey-doats then the invariable corallary is habeas corpus mandamus potatus?

From Time Magazine Archive

The spaces which precede or which follow simple nebulæ, and a fortiori groups of nebulæ, contain generally few stars.

From Astronomical Curiosities Facts and Fallacies by J. Ellard Gore

And if this is true in regard to so-called physical science, it is a fortiori true as regards the Science of Spirit.

From The Hidden Power And Other Papers upon Mental Science by T. (Thomas) Troward

He certainly did not fix the Coming of the Bridegroom at the Consecration Prayer, a fortiori to any one particular word of it.

From Hugh, Bishop of Lincoln A Short Story of One of the Makers of Mediaeval England by Charles L. (Charles Latimer) Marson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023