[adj] associated in an exclusive sexual relationship
[adj] (biology) permanently attached to a substrate; not free to move about; "an attached oyster"; "sessile marine animals and plants"
[adj] (architecture) used of buildings joined by common sidewalls; "a block of attached houses"
[adj] fastened together; "a picnic table with attached benches"
[adj] being joined in close association; "affiliated clubs"; "all art schools whether independent or attached to universities"
affianced, affiliated, bespoken, betrothed, committed, connected, engaged, intended, involved, involved with(p), pledged, related, related to, sessile