double
double-barreled
double-barrelled
double-edged
enigmatic
evasive
forked
indeterminate
left-handed
multi-valued
multivalent
oracular
polysemantic
polysemous
uncertain
unstructured
Greek to one
agnostic
amalgamated
ambivalent
amphibious
amphibolic
amphibological
amphibolous
antinomic
beyond understanding
blended
capricious
chancy
changeable
combined
complex
composite
compound
compounded
confusable
conglomerate
cryptic
dappled
dicey
dilogical
double-faced
doubtful
doubting
dubious
eclectic
enigmatical
equivocal
equivocatory
erratic
fickle
fifty-fifty
fishy
foggy
half-and-half
hesitant
hesitating
heterogeneous
impenetrable
inarticulate
incalculable
ambiguate
ambiguation
ambiguity
disambiguation
confuse
contradictory
explicit
inappropriate
incomprehensible
inconsistent
indefinite
mislead
mysterious
unsatisfactory
unsettle
vague
contiguous
definite
precise
specific
unambiguous
unquestionable