action that workers take, especially stopping work, to protest to their employers about somethingIndustrial action by train drivers seriously affected rush-hour services.Wordfinderunionballot,closed shop,collective bargaining,industrial action,labour,picket,protest,representative,strike,unionOxford Collocations Dictionaryadjectivecontinuing,unlawfulverb + industrial actiontake,threaten,call for,…prepositionindustrial action against,industrial action by,industrial action in support of,…Seefull entrySee related entries:ProtestExtra examplesThe union is considering stepping up its industrial action.The union is threatening industrial action against the company.industrial action by air traffic controllersindustrial action by railway workersindustrial action in support of demands for a 10% salary adjustmentto take industrial action over pay