diabolical

adjective

di·​a·​bol·​i·​cal ˌdī-ə-ˈbä-li-kəl How to pronounce diabolical (audio)
variants or diabolic
: of, relating to, or characteristic of the devil : devilish
a diabolical plot
diabolically adverb
diabolicalness noun

Did you know?

Like the word devil, "diabolical" traces back to Latin diabolus, which itself descends from Greek diabolos, a word that literally means "slanderer." In English, "diabolical" has many nuances of meaning. It can describe the devil himself (as in "my diabolical visitor") or anything related to or characteristic of him in appearance, behavior, or thought; examples include "diabolical lore," "a diabolical grin," and "a diabolical plot." In British slang, "diabolical" can also mean "disgraceful" or "bad," as in "the food was diabolical."

Examples of diabolical in a Sentence

the police quickly mobilized to track down the diabolical criminals before they struck again
Recent Examples on the Web Walton Goggins’ Cooper Howard, who later survives the nuclear war as a ghoulish bounty hunter, also realizes his wife is one of the Vault-Tec executives who pitches the diabolical idea. Jordan Moreau, Variety, 12 Apr. 2024 There’s nothing new about diabolical scammers posing as men of the cloth, of course. Tribune News Service, The Mercury News, 12 Apr. 2024 The shadow roared in across the lake, like some diabolical gloom or lethal wall of hail. Nick Paumgarten, The New Yorker, 9 Apr. 2024 But sometimes a sibling relationship is quite diabolical. Justine Kenin, NPR, 28 Mar. 2024 Price is deliciously diabolical in the film, which is full of literal and metaphorical trap doors and secret passageways. Katie Rife, EW.com, 12 Mar. 2024 The performance swings back and forth with the diabolical momentum of Poe’s pendulum. Tom Gliatto, Peoplemag, 9 Mar. 2024 While his output – even at AFC Ajax – has never been enormously fruitful, Antony’s current stats are diabolical for a wide forward. Liam Canning, Forbes, 28 Feb. 2024 Villeneuve’s attempt at moral extremes (Paul the messiah versus his diabolical adversary) suddenly shifts to black and white. Armond White, National Review, 1 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'diabolical.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

diabolical from diabolic + -ical; diabolic going back to Middle English deabolik, borrowed from Middle French & Late Latin; Middle French dyabolique, borrowed from Late Latin diabolicus, borrowed from Late Greek diabolikós, going back to Greek, "slanderous," from diábolos "accuser, backbiter, slanderer" + -ikos -ic entry 1 — more at devil entry 1

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of diabolical was in the 15th century

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Dictionary Entries Near diabolical

Cite this Entry

“Diabolical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diabolical. Accessed 19 Apr. 2024.

Kids Definition

diabolical

adjective
di·​a·​bol·​i·​cal ˌdī-ə-ˈbäl-i-kəl How to pronounce diabolical (audio)
variants or diabolic
: of, relating to, or characteristic of the devil : fiendish
diabolically adverb
diabolicalness noun
Last Updated: - Updated example sentences
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