WordNet (r) 3.0 (2006):
Sep n 1: the month following August and preceding October [syn: September, Sep, Sept]V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
SEP Someone Else's Problem (slang, Usenet, IRC)The Free On-line Dictionary of Computing (30 December 2018):
SEP 1. Someone Else's Problem. 2.
A SASD tool from IDE. (1995-10-12)