defeat
The manager was sacked after three crushing defeats in the space of two weeks.
The battle was a crushing defeat for the rebel fighters.
The judge's decision was a crushing defeat for the company which had staked so much on this case.
After its crushing defeat at this year's election, the party may not be in power for many years.

SMART Vocabulary: related words and phrases

Winning and defeating
annihilate
annihilation
bank
be gunning for someoneidiom
be one in the eye for someoneidiom
convincing
moral victory
move/go/close in for the killidiom
near thing
outclass
outcompete
sew
slaughter
sweep
take someone down
take someone to the cleaner'sidiom
take something apart
takedown
thrash
thrashing