unsubstantiate

== English == === Etymology === From un- +‎ substantiate. === Verb === unsubstantiate (third-person singular simple present unsubstantiates, present participle unsubstantiating, simple past and past participle unsubstantiated) To prove false; to disprove or discredit. (human services) To officially categorize (an allegation) as unsubstantiated. To call into question; to create doubt about. To make insubstantial or abstract; unsubstantialize. === Adjective === unsubstantiate (comparative more unsubstantiate, superlative most unsubstantiate) Lacking substance; insubstantial. Unsubstantiated; unproven.