Contemporaneous | Definition of Contemporaneous by Merriam-Webster

contemporary, contemporaneous, coeval, synchronous, simultaneous, coincident mean existing or occurring at the same time. contemporary is likely to apply to people and what relates to them. Abraham Lincoln was contemporary with Charles Darwincontemporaneous is more often applied to events than to people. contemporaneous accounts of the kidnappingcoeval refers usually to periods, ages, eras, eons. two stars thought to be coevalsynchronous implies exact correspondence in time and especially in periodic intervals. synchronous timepiecessimultaneous implies correspondence in a moment of time. the two shots were simultaneouscoincident is applied to events and may be used in order to avoid implication of causal relationship. the end of World War II was coincident with a great vintage year