Vex
Part of speech: verb
Definition: To annoy. To cause (mental) suffering to; to distress.
Annoy
Part of speech: verb
Definition: To disturb or irritate, especially by continued or repeated acts; to bother with unpleasant deeds.To do something to upset or anger someone; to be troublesome.To molest; to harm; to injure.
Part of speech: noun
Definition: A feeling of discomfort or vexation caused by what one dislikes.That which causes such a feeling.
Example sentence: If you can't annoy somebody, there's little point in writing.