Meaning : Not sustained or maintained by nonmaterial aid.
Example :
Unsupported accusations.
Sustained or maintained by aid (as distinct from physical support).
A club entirely supported by membership dues.Meaning : Not held up or borne.
Example :
Removal of the central post left the roof unsupported.
Held up or having the weight borne especially from below.
Supported joints in a railroad track have ties directly under the rail ends.