Synonyms of the word 
OUTDATED → NONCURRENT - OBSOLETE - OUT-OF-DATE - SUPERANNUATED
outdated
- adj. Out of date, old-fashioned, antiquated.
- adj. Out of date; not the latest one.
- adj. No longer available or marketed; obsolete.
noncurrent
- adj. Not current.
obsolete
- adj. (of words, equipment, etc.) No longer in use; gone into disuse; disused or neglected (often by preference…
- adj. (biology) Imperfectly developed; not very distinct.
- v. (transitive, US) To cause to become obsolete.
out-of-date
- adj. Alternative form of out of date.
superannuated
- adj. Obsolete, antiquated.
- adj. Retired or discarded due to age.
- v. simple past tense and past participle of superannuate.
If you are interested in words, visit the following sites :
- wiktionary.org/outdated For complete definition of a word
- 1word.ws/outdated to play with words, suffixs, prefixs, etc.