Definitions for outdatedˌaʊtˈdeɪ tɪd
Random House Webster's College Dictionary
Category: Common Vocabulary
Origin of outdated:
outdated, out-of-date, superannuated(adj)
old; no longer valid or fashionable
"obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas"
Kernerman English Learner's Dictionary
not modern or relevant; = old-fashioned
an outdated owner's manual; a style of dressing that looks outdated
Out of date, old-fashioned, antiquated.
His outdated word processing software could not read the files I sent.
Out of date; not the latest one.
Your version of the document is outdated.