Antonyms of adj unsupported

2 senses of unsupported

Sense 1
unsupported (vs. supported) -- (not sustained or maintained by nonmaterial aid; "unsupported accusations")

supported (vs. unsupported) -- (sustained or maintained by aid (as distinct from physical support); "a club entirely supported by membership dues"; "well-supported allegations")
        => subsidized, subsidised -- (having partial financial support from public funds; "lived in subsidized public housing")

Sense 2
unsupported (vs. supported) -- (not held up or borne; "removal of the central post left the roof unsupported")

supported (vs. unsupported) -- (held up or having the weight borne especially from below; "supported joints in a railroad track have ties directly under the rail ends")
        => based -- (having a base; "firmly based ice")
        => braced, buttressed -- (held up by braces or buttresses)
        => gimbaled -- (supported on gimbals and remaining steady or level when the base tips)
        => pendent, pendant, dependent -- (held from above; "a pendant bunch of grapes")
        => supernatant -- (of a liquid; floating on the surface above a sediment or precipitate; "the supernatant fat was skimmed off")
        => suspended -- ((of undissolved particles in a fluid) supported or kept from sinking or falling by buoyancy and without apparent attachment; "suspended matter such as silt or mud..."; "dust particles suspended in the air"; "droplets in suspension in a gas")
        => underhung -- (supported from below especially resting on a track instead of suspended from above; "underhung sliding doors")
        => underslung -- (supported from above especially in a vehicle having springs attached to the axle from below)

Similarity of adj unsupported

2 senses of unsupported

Sense 1
unsupported (vs. supported) -- (not sustained or maintained by nonmaterial aid; "unsupported accusations")
       => baseless, groundless, idle, unfounded, unwarranted, wild -- (without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy")
       => single-handed, unassisted, unbacked -- (unsupported by other people)
       => uncorroborated, unsubstantiated -- (unsupported by other evidence)

Sense 2
unsupported (vs. supported) -- (not held up or borne; "removal of the central post left the roof unsupported")
       => strapless -- (having no straps; "a strapless evening gown")
       => unbraced -- (without braces or props)