unsupported
adj.not having any help, support, or protection from others. You use this to describe a person who feels alone or a situation that is not backed by facts.
adj.lacking necessary support, assistance, or backing; not protected or defended by others. Often used to describe a person's emotional state or a claim that lacks evidence.
“The new policy was met with strong, unsupported criticism.”
“After years of working in the same office, she felt increasingly unsupported by her colleagues and decided to leave.”
“The scientist's hypothesis was dismissed by the committee as unsupported, lacking the rigorous data required to prove the existence of the new particle.”
“The Anglesey Druid Order has hit back in the paper, saying "to imply that such behaviour represents modern druidry as a whole is simply unsupported".”