Part of speech:
Having no basis in fact; unfounded
Having no ground or foundation; unsubstantiated:
Not faithful or loyal
Uttering falsehood; dishonest or deceitful.
Tending to mislead; deceptive.
Having or showing excessive pride in one's appearance or accomplishments; conceited.
Having a basis.
Known to be valid, effective, or genuine
not based on fact
Exposed to the wind and sea; unsheltered.
Find another word for unfounded. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for unfounded, like: baseless, unproven, unsupported, groundless, untrue, false, idle, misleading, unsubstantiated, vain and founded.