These are the Status Definitions taken directly from the MLS website, I hope this helps.
Status Abbreviation Definition
Active A Valid listing contract exists and no offer accepted.
Pending with Release, continue to show PR Accepted offer on the property â€“ a release, â€œescapeâ€ or â€œkick-outâ€ clause exists in a purchase contract that allows one party to withdraw under certain circumstances. This status may also be used to indicate the property is a Short Sale with an accepted offer.
Pending without Release, continue to show PS Accepted offer on the property, still showing to prospective buyers for offers in back-up position to the first accepted offer.
Pending Do Not Show PN Accepted offer on the property. No additional showings to solicit buyers.
Sold S The Final Sale has occurred.
Expired E Listing Contract has Expired.
Canceled C Listing Contract Canceled, or Listing is not qualified for inclusion in MLS.
Withdrawn W No longer on the MLS, but a valid contract exists with the Listing Broker. Temporarily Off-market.