unsupported
un-sup-port-ed
adjective
Lacking evidence, justification, or help; not backed by facts or assistance.
"His unsupported claims were easily dismissed."
adjective
Not compatible with current systems or no longer receiving technical assistance.
"This old software is now unsupported."
Thesaurus
Synonyms: idle, groundless, wild, unwarranted, uncorroborated, unsubstantiated, unfounded, unbacked, unassisted, single-handed, baseless, unbraced
Antonyms: supported