sluttish vs promiscuous

sluttish and promiscuous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
sluttish	No	Yes	No	No
promiscuous	No	Yes	No	No

As adjectives, sluttish and promiscuous are synonyms defined as:

Other synonyms of sluttish include easy, light, loose, wanton.

sluttish (adjective)	promiscuous (adjective)
casual and unrestrained in sexual behavior	not selective of a single class or person
characteristic of or befitting a slut or slattern; used especially of women	casual and unrestrained in sexual behavior