without foundation
adjective
Roget 4: unsubstantial; baseless, groundless; ungrounded; without foundation, having no foundation. visionary etc. (imaginary) 515; immaterial etc. 137; spectral ... show more
Moby thesaurus: baseless, built on sand, empty, groundless, idle, ill-founded, not well-founded, unbased, unfounded, ungrounded, unsupportable, unsupported, unsustainable, unsustained, untenable, unwarranted, vain, without basis.
debug info: 0.0261