Answer: counteract

AnswerCrossword Clue
COUNTERACTWork against
COUNTERACTWork in opposition to
COUNTERACTNeutralize
COUNTERACTFrustrate.
COUNTERACTNeutralize.
COUNTERACTOffset
COUNTERACTFrustrate, in a way
counteractAct against (something) in order to reduce its force or neutralize it
counteractto act counter or in opposition to