fiendishly
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.
The geopolitics of the Horn of Africa are fiendishly complex, with shifting alliances and the involvement of many outside actors with conflicting interests.
From Barron's ● Oct. 2, 2026
When they did all that, the only thing left to do was solve one of the fiendishly difficult Millennium Prize Problems.
From The Wall Street Journal ● Sep. 12, 2026
Mays’ portrayal — I can’t imagine anyone topping his interpretation of the character — is fiendishly complex.
From Los Angeles Times ● Feb. 18, 2026
That's because quantum mechanics - a strange and partly theoretical branch of physics - is a fiendishly difficult concept to get your head around.
From BBC ● Nov. 5, 2025
It looked like a relatively simple problem—but it was fiendishly difficult to build a simple model.
From "The Gene" by Siddhartha Mukherjee
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