coeval UK /kəʊˈiːvəl/US /koʊˈi.vəl/noun 2adjective 1forms 3 noun2 •Something of the same era.The telephone and television are coevals in that film. •Somebody of the same age.[…] the fey grace, the elusive, shifty, soul-shattering, insidious charm that separates the nymphet from such coevals of hers […] — 1955 adjective1 •Of the same age or era; contemporary.Anything coeval with that clock will fetch a hefty price!The Baralaba Coal Measures are coeval with the Bandana Formation. formscoevals · more coeval · most coeval