If you dread something which may happen, you feel very anxious and unhappy about it because you think it will be unpleasant or upsetting.

Dread is a feeling of great anxiety and fear about something that may happen.

Dread means terrible and greatly feared.

You can use dread to describe something that you, or a particular group of people, find annoying or undesirable.

If you say that you dread to think what might happen, you mean that you are anxious about it because it is likely to be very unpleasant.