Definitions
1.VerbTo prove false; to disprove or discredit.
2.VerbTo officially categorize (an allegation) as unsubstantiated.
3.VerbTo call into question; to create doubt about.
4.VerbTo make insubstantial or abstract; unsubstantialize.
5.AdjectiveLacking substance; insubstantial.
6.AdjectiveUnsubstantiated; unproven.