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Showing results for groundless.
Definitions

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

In response, the corporation said Sir Ed's "continuing attacks on BBC journalism are completely groundless".

From BBC • Sep. 23, 2025

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

From Salon • Aug. 5, 2025

As it turns out, the theory is groundless; on the next Saturday, Pete even brings me a homemade Egg McMuffin as a treat.

From "Nickel and Dimed: On (Not) Getting By in America" by Barbara Ehrenreich

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.