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1.
A paedophile is someone who is attracted to little children. An elderphile is sort of similar apart from it is someone who is attracted to a senior citizen/ old fogey/ geezer/ elderly person.
If Timmy (who is 25) is sexually attracted to Gertrude (who is 108) he is being an elderphile.
by Daniel Cale June 02, 2007
 
2.
A girl or boy who is attracted to nothing but older people in their thirties and above
jane: I can't get enough of jeffrey

Ben: isn't he fifty?
Jane: yea and?
Ben: Man you are such an elderphile, all your boyfriends are always over thirty
by willowjames March 28, 2011