How to Spell Ungiving?

Ungiving | Definition of Ungiving by Merriam-Webster.

Is there a word Ungiven?

Not given.

What does Undermind mean?

New Word Suggestion. subvert, disparage, decry by verbal (mental) response, to put doubt. In place of "undermine", when being unsupportive or critical of the other's point of view. It's a verb, other tense used underminding.