inexpressible
undefined
unexpressible
vague
aleatoric
aleatory
amorphous
blobby
blurred
blurry
broad
chance
chancy
chaotic
confused
disordered
enwrapped in mystery
foggy
fuzzy
general
hazy
hit-or-miss
ill-defined
imprecise
inaccurate
inchoate
incoherent
incommunicable
indecisive
indefinite
indescribable
indeterminable
indeterminate
indistinct
ineffable
inenarrable
inexact
inexplicable
inextricable
innominable
insoluble
insolvable
lax
loose
mysterious
mystic
noncommunicable
nonspecific
obscure
orderless
random
shadowed forth
indefinability
deep-seated
elusive
innate
instinctive
intangible
intoxicating
nameless
overpower
overwhelm
poignant
subtle
unbearable
uncanny
undefinable
unmistakable
combinable
definable