Cách sử dụng
The word 'diabolical' is used to describe something that is extremely wicked or evil. It can also be used to describe something that is very clever or ingenious, but in a bad or harmful way. For example, a plan to cheat someone out of their money could be described as diabolical. It is a word that is not commonly used in everyday conversations, but may be encountered in literature or movies where there are villains or evil acts.