fiendism
Fiendish behaviourFiendish behaviour.
Meaning
1 senses(uncountable)Fiendish behaviour.
Origin
From fiend + -ism.From fiend + -ism.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable