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Definitions

uncorroborated

ADJECTIVE
baseless
Synonyms
STRONGEST
flimsy gratuitous groundless unfounded unjustifiable unjustified unsubstantiated unsupported untenable unwarranted
WEAK
bottomless foundationless reasonless unconfirmed ungrounded
Antonyms
STRONGEST
called-for justified proven reasonable warranted
WEAK
based
ADJECTIVE
unofficial
Synonyms
STRONGEST
informal personal
WEAK
off the record private unconfirmed unsanctioned
Antonyms
WEAK
authoritative authorized confirmed official
ADJECTIVE
unsubstantiated
Synonyms
STRONGEST
debatable dubious unsupported
WEAK
arguable controversial disputable doubtful dubitable fishy hard to believe iffy indefinite open to doubt open to question suspect suspicious uncertain unconfirmed
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.

Uncorroborated, any statement of Miss Smedley's usually fell on incredulous ears; but here, with the road itself in evidence, she seemed, once in a way, to have strayed into truth.

From The Golden Age by Grahame, Kenneth

Uncorroborated, any statement of Miss Smedley's usually fell on incredulous ears; but here, with the road itself in evidence, she seemed, once, in a way, to have strayed into truth.

From The Golden Age by Grahame, Kenneth

Uncorroborated tales of Germans having been ill treated in all parts of France were spread broadcast.

From What Germany Thinks The War as Germans see it by Smith, Thomas F. A.