Something cruel or evil; also, something which causes distress or suffering.
Devilish action or conduct; wickedness; (more generally) troublemaking behaviour; mischief; (countable) an instance of this.
A devilish, mischievous, or reckless nature; mischievousness.
Something cleverly constructed.
A dish which is devilled (“made piquant or spicy”); a devil; also, the elements of the dish which make it spicy, or the piquancy or spiciness of the dish.
A toxic or poisonous substance.
Capable of causing damage or dysfunction by toxicity; (broadly) poisonous.