nonfamiliar
unfamiliarized
DK
nonprecise
unprecise
unknown
nubilous
noncertain
nonclear
muddy
unbeknown
nonestablished
unestablished
uncertain
unexact
secret
unelaborated
nondetailed
undetailed
unfamiliar
strange
unacquaintable
iunno
unexperienced
no idea
unforeknown
nondefinite
nonknowable
unobvious
fuck knows
non-obvious
nonapparent
donchaknow
nonobvious
unguessed
obscure
imprecise
nondefinitive
little-known
unexacted
inevident
nonascertainable
you tell me
search me
indefinite
your guess is as good as mine
fremsome
beats me
don't ask me
unknowable
turbid
confusement
unrevealed
nonrecognized
suspensory
undefinitized
unevident
bollix
head-scratching
dudder
undisclosed
nonrevealing
undivulged
mazy
unindicated
inexact
unrecollected
unclarified
unwitting
adiagnostic
nonclarified
unclearly
bifarious
nonobservable
not have the faintest
puzzly
wilsome
not have the faintest idea
dull
ungleaned
unapprehended
unascertained
unofficialized
knowledgelessness
unactual
nonidentifiable
insonorous
unrenowned
ununderstood
nonimmediate
unknowing
undistinguishingly
nonunderstood
boggler
nonactual
unrumored