unwitting
nonknowledge
unaware
incognizant
witting
unascertained
incognizance
indeterminate
undetermined
secret
unbeknownst
unacquainted
unacquainted with
unfamiliar with
ignorant
unfamiliar
uncertainty
indefinite
dubiety
incertitude
doubt
dubiousness
doubtfulness
unknowable
unknowing
unforeknowing
unknown
inadvertently
strange
unwittingly
uninformed
unknowingly
agnostic
up in the air
agnostical
obscure
clueless
unfamiliarized
not have the faintest
not have the faintest idea
uninterested
untold
knowledgelessness
uncertain
nonfamiliar
in doubt
unknowledge
vague
intuit
cloudy