outdated

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outdated

adjective anachronistic, anachronous, antediluvian, antiquated, antique, archaic, behind the age, behind the times, bygone, dated, defunct, demode, discarded, disused, expired, extinct, fallen into desuetude, fallen into disuse, forgotten, former, gone by, gone out, grown old, no longer customary, no longer fashionable, no longer in style, no longer prevailing, no longer prevalent, no longer stylish, not current, not in vogue, not modern, obsolescent, obsolete, of a previous fashion, of a previous style, of great age, of old, of the old order, of the old school, old, old-fashioned, old-time, old-world, olden, out-of-fashion, out-of-use, outmoded, outworn, passe, past, primitive, quaint, rejected, stale, styleless, superseded, unaccepted, uncontemporary, uncurrent, unfashionable, unpracticed, unstylish
References in periodicals archive ?
Solution: Within two days of expiration, Rh-negative units were transfused to Rh-positive patients to avert outdating.
After being out of circulation for 48 hours, unused units either had expired or went back to stock one or two days before outdating.
These are still close to outdating, but they may be used for nonsurgical transfusion orders, which are filled with the oldest units first.
This led to frequent outdating of type B and AB units.