unsupported

adjectives

not sustained or maintained by nonmaterial aid
"unsupported accusations"
antonym
is similar to
without a basis in reason or fact
"baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"
is similar to
unsupported by other people
is similar to
unsupported by other evidence
not held up or borne
"removal of the central post left the roof unsupported"
antonym
is similar to
having no straps
"a strapless evening gown"
is similar to
without braces or props