Meaning of “subvert” - Learner’s Dictionary

subvert

verb [ T ] us uk /sʌbˈvɜːt/ formal

to try to destroy the authority of a government, religion, etc:

a plot to subvert the government
subversion noun [ U ] us uk /səbˈvɜːʃən/ formal

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