sinful (n.)
sinful (adj.)
- aberrant
- abnormal
- abominable
- amiss
- arrant
- atrocious
- bad
- base
- black
- blamable
- blameful
- blameworthy
- censurable
- corrupt
- criminal
- culpable
- damnable
- dark
- delinquent
- demonic
- depraved
- deviant
- disgraceful
- evil
- execrable
- felonious
- flagitious
- flagrant
- foul
- godless
- guilty
- heinous
- ignominious
- ill
- illegal
- immoral
- impious
- improper
- inaccurate
- inappropriate
- inauspicious
- incorrect
- indecorous
- inexpedient
- infamous
- inferior
- iniquitous
- invalid
- irreligious
- irreverent
- knavish
- low
- malevolent
- monstrous
- naughty
- nefarious
- off-base
- off-color
- peccant
- profane
- profligate
- rank
- reprehensible
- reprobate
- sacrilegious
- scandalous
- shameful
- shameless
- sinister
- terrible
- unchristian
- undue
- unfavorable
- unfit
- unfitting
- unforgivable
- ungodly
- unhealthy
- unholy
- unkind
- unlawful
- unpardonable
- unpleasant
- unrighteous
- unseemly
- unskillful
- unspeakable
- unsuitable
- untoward
- unworthy
- vicious
- vile
- villainous
- wicked
- wrong
- wrongful
