ˈsiːkwəns səkˈsɛʃ.ən acquisition of property by descent or by will the action of following in order he played the trumps in sequence a following of one thing after another in time the doctor saw a sequence of patients a group of people or things arranged or following in order a succession of stalls offering soft drinks a succession of failures (ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established