Pronunciation: /ˈɡraʊndləs/
adjective without any basis in reason or fact; unfounded
A1 Her fear of spiders was groundless.
A2 The rumor of a ghost in the old house was groundless.
B1 The company's decision to cut costs was based on groundless assumptions.
B2 His argument against the new policy was deemed groundless by the board.
C1 The journalist's claims were dismissed as groundless by the court.
C2 The accusation of fraud was proven to be groundless after a thorough investigation.
formal The accusation against him was completely groundless and lacked any evidence.
informal She made a groundless assumption about his intentions without knowing the full story.
slang Don't believe those groundless rumors going around about her, they're just gossip.
figurative His arguments were so weak and groundless that they crumbled under scrutiny.
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groundless
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have been groundless
is being groundless
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