23 Moby Thesaurus words for "sleep with": ball, be intimate, cohabit, come together, commit adultery, copulate, couple, cover, diddle, fornicate, frig, have sex, have sexual relations, lay, lie with, make it with, make love, make out, mate, mount, screw, serve, service

Source: Moby Thesaurus II by Grady Ward, 1.0
 

sleep with v : have sexual intercourse with; "This student sleeps with everyone in her dorm"; "Adam knew Eve"; "Were you ever intimate with this man?" [syn: roll in the hay, love, make out, make love, get laid, have sex, know, do it, be intimate, have intercourse, have it away, have it off, screw, fuck, jazz, eff, hump, lie with, bed, have a go at it, bang, get it on, bonk]

Source: WordNet (r) 2.0