Meaning of “dread” - Learner’s Dictionary

dread

verb uk us /dred/

[ T ] to feel worried or frightened about something that has not happened yet:

I'm dreading the first day at my new school.
[ + doing sth ] I dread seeing him again.
I dread to think UK

used to say that you do not want to think about something because it is too worrying:

I dread to think what could have happened if we hadn't been wearing seat belts.

(Definition of “dread verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)