fornicator
One who transgresses
A fornicator is someone who engages in sexual intercourse outside of marriage.
The term carries moral or religious judgment, appearing most often in biblical contexts or conservative religious discourse: The preacher warned that fornicators would face divine punishment.
In casual use, it sounds deliberately archaic or satirical.
One lacking moral restraint
- philandererHabitual romantic cheater
- womanizerMan exploiting many lovers
- lotharioHabitual seducer of women
- playboyWealthy hedonist, carefree lifestyle
rake · lecher · debauchee · roue · seducer · Don Juan · gigolo · satyr
libertine
One lacking moral restraint
- philandererHabitual romantic cheater
- womanizerMan exploiting many lovers
- lotharioHabitual seducer of women
playboy · rake · lecher · debauchee · roue · seducer · Don Juan · gigolo · satyr · wolf
infidelity
Disloyalty to a partner
- cheaterOne who acts dishonestly
- unfaithfulBetraying a partner's trust
- extramaritalOutside the marriage bond
affair · betrayal · two-timer · cuckold · mistress · paramour · illicit · lover · tryst · homewrecker
immoral
Contrary to ethical principles
impious · profane · irreligious · harlotry · transgressor · unclean · lust · carnal · flesh · hellbound
- sinnerssinner, transgressor, evildoer, wrongdoer, blasphemer
fornication, fornicate, fornicated, fornicating, fornicates, fornicators, fornications