Share this entry
unsubstantiated Line breaks: un|sub¦stan¦ti|ated
Pronunciation: /ʌnsəbˈstanʃɪeɪtɪd/

Definition of unsubstantiated in English:


Not supported or proven by evidence: unsubstantiated claims
More example sentences
  • Indeed, he did not himself acknowledge that he had recycled an unsubstantiated claim without any evidence that it was true.
  • Educational personnel were the single most likely group to make unsubstantiated claims of child abuse.
  • With the flamboyant, unsubstantiated claims come exaggerated insults directed at anyone who criticises or questions his work.
unconfirmed, unsupported, uncorroborated, not backed up by evidence, unverified, unattested, unproven, not validated, untested;
unfounded, ill-founded, groundless, baseless, without basis, without foundation, unjustified, unwarranted, unjustifiable, unreasonable;
speculative, conjectural, assumed, presumed;
questionable, open to question, disputable, debatable;
unreliable, untrustworthy, dubious, doubtful, tenuous, spurious, suspect, flimsy, weak, nebulous, unsound, undependable
informal iffy
British informal dodgy
Definition of unsubstantiated in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources

Related Words