Synonyms of ungrounded

1 Syllable

null, blank, gone, lost, wrong, void, dead

2 Syllables

vague, dreamy, airy, groundless, absent, flimsy, unreal, wronging, fancied, wronger, fluffed, wrongest, empty, defunct, extinct, missing, tenuous, vacant

3 Syllables

sophistic, departed, fallacious, dreamlike, mythical, baseless, shadowy, vaporous, perished, ethereal

4 Syllables

negative, illusory, chimerical, gossamery, unwarranted, unprovoked, legendary, nonexistent, insubstantial, unsubstantial, extinguished, immaterial, misfigured, imagined, foundationless

5 Syllables

unjustifiable, hypothetical, imaginary, imponderable

6 Syllables

hallucinatory, uncorroborated