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