Present participle of diabolise; in the process of making something diabolic or wicked.
Formed by adding -ing to diabolise (British spelling), the present participle suffix that marks ongoing or continuous action, derived from Old English.
The -ing suffix is one of English's most versatile—it creates verbs (is diabolising), adjectives (a diabolising influence), and nouns (the diabolising of society), making it incredibly efficient.
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