7 letters · 14 points in Scrabble
adjective mentally sluggish
originPartly: * from Late Middle English lumprissh, lumpryssh (“of a somewhat lumpy consistency”), from lumpe (“mass of material; excrescence, swelling; mass of people, crowd; useless person”) or lumpred (“piled up or twisted into lumps”) (both possibly related to Proto-Germanic *limpaną (“to glide; to go; to hang limply”), from Proto-Indo-European *(s)lembʰ- (“to hang limply”)) + -ish (suffix forming…
Etymology from Wiktionary, CC BY-SA 3.0