"sluttish" in the adjective sense
1. blowsy, blowzy, slatternly, sluttish
characteristic of or befitting a slut or slattern used especially of women
2. easy, light, loose, promiscuous, sluttish, wanton
casual and unrestrained in sexual behavior
"her easy virtue"
"he was told to avoid loose (or light) women"
"wanton behavior"
Source: WordNet® (An amazing lexical database of English)
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