RichThesaurus
ascertained
ascertained
antonyms
unsure
uncertain
unknown
uninvestigated
doubtful
knownless
undiscovered
unfamiliar
unascertained
unapprehended
ignote
unreliable
unrecognized
faltering
unexplained
obscure
dubious
questionable
insecure
indefinite
unrevealed
ascertained
definitions