imprecise (adj.)
- adulterated
- aleatory
- ambiguous
- amorphous
- approximate
- approximative
- barbarous
- blemished
- blurred
- blurry
- broad
- careless
- chance
- chancy
- chaotic
- cloudy
- confused
- damaged
- defective
- deficient
- disordered
- easy
- easygoing
- erroneous
- fallible
- faulty
- foggy
- fuzzy
- general
- hazy
- hit-or-miss
- ill-defined
- immature
- impaired
- imperfect
- impotent
- improper
- impure
- inaccurate
- inadequate
- inchoate
- incoherent
- incomplete
- incorrect
- indecisive
- indefinable
- indefinite
- indeterminable
- indeterminate
- indifferent
- indistinct
- inexact
- inexplicit
- infelicitous
- lacking
- lax
- lenient
- loose
- makeshift
- mediocre
- mixed
- negligent
- nonspecific
- obscure
- off
- overindulgent
- partial
- patchy
- permissive
- random
- relaxed
- remiss
- shadowy
- shapeless
- short
- sketchy
- slack
- slipshod
- sloppy
- slovenly
- soft
- stochastic
- sweeping
- unclear
- undefined
- undetermined
- undeveloped
- uneven
- unfinished
- unrestrained
- unsound
- unspecified
- vague
- veiled
- wanting
- weak
- woolly
- wrong