1 Severe physical or mental suffering.
1.1 count noun A cause of severe suffering.
1 Cause to experience severe mental or physical suffering.
1.1 Annoy or provoke in an unkind way.
Middle English (as both noun and verb referring to the infliction or suffering of torture): Old French torment (noun), tormenter (verb), from Latin tormentum ‘instrument of torture’, from torquere ‘to twist’.
She tormented him with her words.