Meaning of “sabotage” - Learner’s Dictionary

sabotage

verb [ T ] uk us /ˈsæbətɑːʒ/
DAMAGE

to damage or destroy something in order to prevent an enemy from using it:

Rebels sabotaged the roads and bridges.
PREVENT SUCCESS

to spoil someone's plans or efforts in order to prevent them from being successful:

She tried to sabotage my chances of getting the job.
sabotage noun [ U ]

an act of sabotage

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