diametrically

British

/ ˌdaɪəˈmɛtrɪkəlɪ /

adverb

completely; utterly (esp in the phrase diametrically opposed )

"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

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.

Is it possible to prevent an heir from spending their inheritance on things to which we are diametrically opposed?

From MarketWatch • Feb. 16, 2026

"There are members of Brics+ that are diametrically opposed to each other politically and even have hot border skirmishes between them," defence analyst Dean Wingrin told the BBC.

From BBC • Jan. 9, 2026

But Donaldson sees these videos as pragmatic; making money and promoting charitable causes, he and his team would argue, are not diametrically opposed.

From The Wall Street Journal • Jan. 3, 2026

And these two men who are diametrically opposed were able to drop all facades.

From Los Angeles Times • Dec. 11, 2025

But he and I seemed to come from worlds so diametrically opposed that I knew better than to allow his friendship in my life.

From "A Very Large Expanse of Sea" by Tahereh Mafi

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