SEP
- SEP
- 1. Someone Else's Problem. A figure of speech, which acknowledges a problem as well as acknowledging that it is not it is not that person's responsibility (or in that person's power) to deal with the problem.
- 2. September. Common three letter abbreviation for September, the ninth month of the year.
- 3. Search Engine Promotion.
Same meaning as SEO, but not as widely used.