[adj] not supported by written evidence; "unsupported accusations" [adj] not held up or borne; "removal of the central post left the roof unsupported" [adj] not sustained or maintained by nonmaterial aid; "unsupported accusations"
baseless, groundless, idle, single-handed, strapless, unassisted, unbacked, unbraced, uncorroborated, undocumented, unfounded, unnourished, unsubstantiated, unwarranted
supported