[eter.ni.ty] n, pl -ties [ME eternite, fr. MF eternite, fr. L aeternitat-, aeternitas, fr. aeternus] (14c) 1: the quality or state of being eternal
2: infinite time 3 pl: age 3b
4: the state after death: immortality
5: a seemingly endless or immeasurable time "the speaker droned on for an ~"