Definition of ungrounded
1a : lacking a sound basis for belief, action, or argument : not provided with a reason or justification Ungrounded in fact, such conjecture gives the reader no insight into the life of the subject … — Michiko Kakutani : groundless an ungrounded accusationb : lacking basic information : uninstructed They are not wrongheaded … so much as hazily over-optimistic, ungrounded in what Europe really is, and governed by wishful thinking. — Nicholas Fraser
2 : not connected electrically with the ground an ungrounded outlet
First Known Use of ungrounded
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