Definitions

unsupported

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baseless adj.
groundless adj.
shaky adj.
unsubstantiated adj.

ADJECTIVE

baseless

Synonyms

STRONGEST

flimsy gratuitous groundless unfounded unjustifiable unjustified unsubstantiated untenable unwarranted

WEAK

bottomless foundationless reasonless unconfirmed uncorroborated ungrounded

Antonyms

STRONGEST

called-for justified proven reasonable warranted

WEAK

based

ADJECTIVE

groundless

Synonyms

STRONGEST

baseless false flimsy gratuitous illogical illusory unfounded unjustified 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

ADJECTIVE

shaky

Synonyms

STRONGEST

dubious precarious questionable uncertain unclear unsettled unsteady

WEAK

indecisive not dependable not reliable problematic suspect undependable unreliable unsound unsure

Antonyms

STRONGEST

certain clear definite stable sure undoubted

WEAK

firm indubious steady unshaky unwavering

ADJECTIVE

unsubstantiated

Synonyms

STRONGEST

debatable dubious

WEAK

arguable controversial disputable doubtful dubitable fishy hard to believe iffy indefinite open to doubt open to question suspect suspicious uncertain unconfirmed uncorroborated

Antonyms

STRONGEST

certain sure

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.

See Examples For:

unsupported

Leaving the arm unsupported at the side produced an even larger difference.

From Science Daily ● Oct. 1, 2026

Only weeks later, the administration announced a large influx of unusually cheap imported ground beef before publicly identifying all of its sources, leaving enough of an informational vacuum for unsupported horse-meat rumors to flourish online.

From Salon ● Sep. 13, 2026

Yet during the Oval Office signing, Trump made a series of incendiary and unsupported statements, including: "Together, there could be a possibility they are quite lethal."

From Barron's ● Aug. 10, 2026

While researching the condition, she came across many other women in similar situations who felt "unheard and unsupported".

From BBC ● Jul. 19, 2026

Following the oral argument, I still had hope that the court would overturn the conviction and sentence because it was so clearly unsupported by reliable facts.

From "Just Mercy" by Bryan Stevenson

unsupported

Example Sentences

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Related Words