ungrounded

Verb

• simple past and past participle of unground

Adj

• Not grounded; without ground or basis, unreal, false.
• Not connected to ground potential

Examples

• The defendant's claims are fictitious; they are entirely ungrounded in fact.

Synonyms

baseless, footless, groundless, idle, unfounded, ungrounded, unjustified, unproved, unproven, unsubstantiated, unsupported