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

/ -rɪ, eɪ ˌfɔːtɪˈɔːraɪ, ɑː /

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.

"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

Words flunked: dioceses, cantatrice, Nabuchodonosor, a fortiori, conchoidal.

From Time Magazine Archive

What may be clear to an American �lite may be less clear to the majority in Congress and, a fortiori, to the mass of electors.

From Time Magazine Archive

Basta that I will write anything in life that anyone asks me in decency—and a fortiori that you so gracefully ask.

From The Letters of Henry James (volume I) by James, Henry

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