e‧co‧ter‧ror‧is‧m /ˈiːkəʊˌterərɪz
əm $ ˈiːkoʊ-/
noun [uncountable] when someone tries to stop or harm organizations or companies that do things that are bad for the environment
—ecoterrorist noun [countable] [TahlilGaran] Dictionary of Contemporary English ▲