Part of speech:
(Biology) Vestigial or rudimentary, especially in comparison with related or ancestral species, as the tailbone of an ape. Used of an organ or other part of an organism.
The definition of antiquated is something that is out of date, old or no longer useful.
(Of words) No longer in ordinary use, though still used occasionally to give a sense of antiquity.
See old hat.
(Archaic) Not youthful; rather old
Retired, esp. with a pension, because of old age or infirmity
Gone by; past:
Smelling stale or stuffy; musty; moldy
Of, like, or characteristic of past times
Representative of or dating from a particular period of the past
Find another word for out-of-date. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for out-of-date, like: obsolete, passÃ©, antiquated, old-fashioned, archaic, old-hat, outmoded, passe, superannuated, antique and bygone.