Adverb
In a promiscuous manner.
Source: Webster's dictionaryHands promiscuously applied, Round the slight waist, or down the glowing side. Lord Byron
Let sinful bachelors their woes deplore Full well they merit all they feel, and more Unaw'd by precepts, human or divine, Like birds and beasts, promiscuously they join. Alexander Pope
she reads promiscuously Source: Internet
this young girl has to share a room with her mother who lives promiscuously Source: Internet