Annoy vs. Disappoint — What's the Difference?

To cause irritation to (another); make somewhat angry.

To fail to satisfy the hope, desire, or expectation of.

(Archaic) To harass or disturb by repeated attacks.

To frustrate or thwart

(transitive) To disturb or irritate, especially by continued or repeated acts; to bother with unpleasant deeds.

To cause disappointment.

(intransitive) To do something to upset or anger someone; to be troublesome.

(transitive) To sadden or displease (someone) by underperforming, or by not delivering something promised or hoped for.

(transitive) To molest; to harm; to injure.

(transitive) To deprive (someone of something expected or hoped for).

A feeling of discomfort or vexation caused by what one dislikes.

To fail to meet (an expectation); to fail to fulfil (a hope).

That which causes such a feeling.

To show (an opinion, belief, etc.) to be mistaken.

To disturb or irritate, especially by continued or repeated acts; to tease; to ruffle in mind; to vex; as, I was annoyed by his remarks.

To prevent (something planned or attempted).

To molest, incommode, or harm; as, to annoy an army by impeding its march, or by a cannonade.

(Internet slang) disappointed

A feeling of discomfort or vexation caused by what one dislikes; also, whatever causes such a feeling; as, to work annoy.

To defeat of expectation or hope; to hinder from the attainment of that which was expected, hoped, or desired; to balk; as, a man is disappointed of his hopes or expectations, or his hopes, desires, intentions, expectations, or plans are disappointed; a bad season disappoints the farmer of his crops; a defeat disappoints an enemy of his spoil.

Cause annoyance in; disturb, especially by minor irritations;

To frustrate; to fail; to hinder of result.

Fail to meet the hopes or expectations of;