|Origin:||Probably from Middle Low German schoderen or Middle Dutch shuderen|
to shake for a short time because you are afraid or cold, or because you think something is very unpleasant:
Maria shuddered as she stepped outside.
I shudder with embarrassment whenever I think about it.
She shuddered at the thought that she could have been killed.
if a vehicle or machine shudders, it shakes violently:
The car shuddered briefly as its engine died.
The train shuddered to a halt.
used to say that you do not want to think about something because it is too unpleasant:
I shudder to think what they'll say when they see the mess the house is in.
shudder at somethingphrasal verb
If you love skiing but shudder at the cost, take advantage of our superb family offer.
He shuddered at the thought of the conflict ahead.