unknown
able
accepted
believed
credited
enigmatic
incalculable
incognizable
mysterious
puzzling
received
sealed
strange
trusted
unapparent
unapprehended
unascertained
unbeknown
uncharted
unclassified
uncontested
undisclosed
undiscoverable
undiscovered
undisputed
undivulged
undoubted
unexplained
unexplored
unexposed
unfamiliar
unfathomed
unguessed
unheard
unheard-of
unidentified
uninvestigated
unknowable
unperceived
unplumbed
unquestioned
unrevealed
untouched
virgin
dormant
inexplicable
innate
latent
undetected
undeveloped
unexpected
unforeseen
unimaginable
unnoticed
unobserved
unrecognized
unseen
affected
connected
corrected
defected
deflected
dejected
detected
directed
disaffected
disconnected
disrespected
effected
ejected
elected
erected
expected
infected
injected
inspected
interconnected
interjected
intersected
misdirected
neglected
protected
recollected
reconnected
redirected
reelected
reflected
rejected
respected
resurrected
selected
subjected
suspected
unaffected
uncollected
unconnected
uncorrected
unelected
uninfected
unprotected
known