Definition of overdated in US English:

overdated

adjective

  • Antiquated; outdated; obsolete.

Origin

Mid 17th century; earliest use found in Richard Montagu (bap. 1575, d. 1641), bishop of Norwich and religious controversialist. From over- + dated.

Pronunciation

overdated

/ˌəʊvəˈdeɪtɪd/