groundless

[ground-lis] / ˈgraʊnd lɪs /

ADJECTIVE

without reason, justification

Synonyms

STRONGEST

baseless false flimsy gratuitous illogical illusory unfounded unjustified unsupported unwarranted

WEAK

bottomless causeless chimerical empty foundationless idle imaginary unauthorized uncalled-for unprovoked

Antonyms

STRONGEST

correct genuine justified real reasonable right substantiated warranted

WEAK

called-for grounded proven

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A Kremlin spokesman rejected the allegations as groundless.

From The Wall Street Journal • Dec. 12, 2025

Beijing at the time called the accusations "groundless".

From Barron's • Oct. 19, 2025

Lot of reasons for that, it’s not groundless optimism.

From Salon • Aug. 5, 2025

But China's Commerce Ministry rebuffed this as "groundless with no factual basis".

From BBC • Apr. 30, 2025

Since he was gainfully employed by SNCC, had no outstanding debts and had plenty of cash in his wallet when arrested, the charge was groundless and, after a trial, had to be dropped.

From "Because They Marched" by Russell Freedman

Vocabulary lists containing groundless

"Oedipus the King" by Sophocles

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