immoral (adj.)
- abandoned
- bad
- base
- carnal
- concupiscent
- conscienceless
- corrupt
- corrupted
- criminal
- crooked
- dark
- debauched
- degenerate
- depraved
- devious
- dirty
- dishonest
- dishonorable
- dissolute
- doubtful
- dubious
- evasive
- evil
- felonious
- filthy
- fishy
- flagitious
- fraudulent
- ill-gotten
- immodest
- impure
- indecent
- indirect
- iniquitous
- insidious
- lascivious
- lecherous
- lewd
- libertine
- libidinous
- licentious
- lustful
- nefarious
- obscene
- pornographic
- questionable
- reprobate
- rotten
- salacious
- shady
- shameless
- shifty
- sinful
- sinister
- slippery
- smutty
- suspicious
- treacherous
- tricky
- unchaste
- unclean
- uncleanly
- unconscientious
- unconscionable
- underhand
- underhanded
- unethical
- unprincipled
- unregenerate
- unsavory
- unscrupulous
- vicious
- vile
- villainous
- wanton
- wicked
- wrong
For his chaste Muse employ'd her heaven-taught lyre
None but the noblest passions to inspire,
Not one immoral, one corrupted thought,
One line which, dying, he could wish to blot.
