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Groundless has 58 synonyms. The top synonyms for groundless are unfounded, unsustained, unsupported, unproved, inconclusive, unconfirmed, undemonstrated, unauthenticated and 50 more. Another word for groundless is unfounded. Browse the full list below.
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| Random | DefinitionA common synonym for groundless is unfounded. Other synonyms include unsustained, unsupported, unproved, inconclusive.
Groundless has 58 synonyms listed on Thesaurasize.
(adj): without any grounds to support it; baseless
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