unpinpointed
unexiguous
unperspicacious
nonprepositional
vacuity
undefinitized
not have the faintest idea
insignificant
nondefined
noninquisitive
nonanswer
ungleaned
not have the faintest
uninferred
closed-class word
non-descriptive
nonconceptualized
answerlessness
who knows
function word
unconceptualized
nonanswerable
undistinguished
uninquiring
unpredetermined
nonpredetermined
nonimplicational
unpinpointable
indeclinable
unsynonymous
nonsynonymous
pseudoprefix
unclarifying
crosswordy
dunno
clewless
nonsuppositional
nonperiphrastic
unperiphrastic
unquenchingly
unsemanticized
nonmystery
no
nonentailed
nonsyntactical
nonlexicalizable
nondescriptional
unhyphenated
ignorant