SCHLUMPIEST is a playable word

schlumpy Scrabble® Dictionary

adjective
schlumpier, schlumpiest
unattractive, slovenly
781 Playable Words can be made from "SCHLUMPIEST"
   2-Letter Words (25 found)
   3-Letter Words (99 found)
   9-Letter Words (6 found)
   11-Letter Words (1 found)