by a landslide
with big margins, with a huge difference
I think he is going to win by a landslide.
VERB + LANDSLIDE
cause
Heavy rainfall in the mountains caused a dangerous landslide that blocked the highway for weeks.
LANDSLIDE + VERB
destroy sth
A massive landslide destroyed several homes in the mountain region last week.
ADJ
electoral
The opposition party won a landslide victory in the recent electoral campaign.
Conservative, Labour, etc.
VERB + LANDSLIDE
win by
She won the election by a landslide, gaining far more votes than any other candidate.
LANDSLIDE + NOUN
victory