8 letters · 11 points in Scrabble
adjective characteristic of or befitting a slut or slattern; used especially of women
adjective casual and unrestrained in sexual behavior
originFrom Middle English scluttish, slottesche, slottysch, sluttissche, sluttissh; equivalent to slut + -ish.
Etymology from Wiktionary, CC BY-SA 3.0