unclear (adj.)
- aleatory
- ambiguous
- amorphic
- amorphous
- anarchic
- baggy
- blear
- bleary
- blind
- blurred
- blurry
- broad
- chance
- chancy
- chaotic
- characterless
- cloudy
- confused
- dark
- decrescendo
- dim
- disordered
- disorderly
- distant
- dubious
- equivocal
- faint
- featureless
- feeble
- filmy
- foggy
- formless
- fuzzy
- general
- gentle
- hazy
- hit-or-miss
- ill-defined
- illegible
- imprecise
- inaccurate
- inchoate
- incoherent
- inconspicuous
- indecipherable
- indecisive
- indefinable
- indefinite
- indeterminable
- indeterminate
- indistinct
- indistinguishable
- inexact
- kaleidoscopic
- lax
- loose
- low
- lumpen
- misty
- muddy
- murky
- nebulous
- nondescript
- nonspecific
- obscure
- opaque
- open
- pale
- pianissimo
- piano
- problematic
- random
- shadowy
- shapeless
- soft
- stochastic
- subdued
- suspect
- sweeping
- tenebrous
- transcendent
- uncertain
- undecipherable
- undefined
- undetermined
- unintelligible
- unordered
- unorganized
- unreadable
- unrecognizable
- unsettled
- unspecified
- unsure
- vague
- veiled
- weak
- whispered