have seen (one's) day(redirected from have seen day)
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have seen (one's) day
To be beyond one's prime; to be no longer useful, effective, or functional. The one-time champion seems to have seen his day, having been knocked out of the qualifying round for the fifth year in a row. The VHS, the once-dominant form of home movie entertainment, has by now truly seen its day.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.