›a situation in which a group of workers refuse to work because they are not satisfied with their pay, working conditions, etc.: White-collar workers are expected to announce strike action today after a breakdown in talks to resolve a pay dispute.The opening of the new terminal went smoothly yesterday despite strike action by railway unions.In the ballot, 63% voted in favour of strike action.threaten/take/call off strike actionSenior executives backtracked on plans to suspend bonuses after unions threatened strike action.vote for/ballot for/consider strike actionCabin crews will ballot for strike action tomorrow.strike action over/against sthWorkers at the hospital have entered their second day of strike action over pay.