faulty (adj.)

• aberrant
• abroad
• adrift
• adulterated
• amiss
• askew
• awry
• bad
• barbarous
• blemished
• broken
• careless
• censurable
• checked
• contradictory
• corrupt
• cracked
• crazed
• criminal
• culpable
• damaged
• deceptive
• defective
• deficient
• deformed
• delusive
• deviant
• disfigured
• distorted
• errant
• erring
• erroneous
• fallacious
• fallible
• false
• flawed
• guilty
• heretical
• heterodox
• illogical
• illusory
• immature
• impaired
• impeachable
• imperfect
• implicated
• imprecise
• improper
• impure
• inaccurate
• inadequate
• inauthentic
• incomplete
• inconclusive
• incongruous
• inconsequent
• inconsequential
• inconsistent
• incorrect
• indictable
• inexact
• infelicitous
• invalid
• involved
• irrational
• lacking
• loose
• makeshift
• malfunctioning
• marred
• mediocre
• mixed
• off
• out
• partial
• patchy
• peccant
• perverse
• perverted
• pimpled
• pimply
• reasonless
• reprehensible
• reproachable
• scabby
• scarred
• self-contradictory
• senseless
• short
• sick
• sketchy
• slipshod
• slovenly
• specious
• split
• straying
• twisted
• unauthentic
• unconnected
• undeveloped
• uneven
• unfinished
• unorthodox
• unproved
• unreasonable
• unscientific
• unsound
• untrue
• wanting
• warped
• wide
• wrong