1. a standard procedure that is followed mindlessly - the union's support had been in lockstep for years • Hypernyms: standing operating procedure, standard operating procedure, SOP, standard procedure 2. a manner of marching in file in which each person's leg moves with and behind the corresponding leg of the person ahead - the prisoner's ankles were so chained together that they could only march in lockstep • Hypernyms: march, marching
