[noun] [U] US - a process that is not changeable and exactly follows a particular patternAfter a long series of defeats, the team's new manager seems to have broken the lockstep, and they finally won a game last night.The two currencies seem to be moving in lockstep with (= in exactly the same way as) each other.
LOCKSTEP
Meaning of LOCKSTEP in English
Cambridge English vocab. Кембриджский английский словарь. 2012