unchaste
Not sexually pure
Unchaste means not chaste—sexually impure or promiscuous.
The word belongs to religious and moral discourse where chastity is valued: unchaste thoughts, unchaste conduct.
It sounds old-fashioned and judgmental in contemporary use, appearing mostly in historical or religious contexts.
Sexually unrestrained behavior
- wantonDeliberately cruel without reason
- looseNot firmly secured
- lustfulFeeling strong sexual desire
- lecherousShowing excessive sexual desire
lascivious · lewd · libertine · debauched · dissolute · immodest · shameless · indecent
Made foul or impure
- sulliedMade morally unclean
- taintedContaminated, made impure
- corruptedMade impure or dishonest
- fallenHaving dropped down
dishonored · soiled · besmirched · stained · ruined · violated · despoiled · degraded
Betraying a partner's trust
- cheatingDeceptive rule-breaking
- philanderingCasual extramarital affairs
- two-timingBeing unfaithful romantically
- disloyalUntrue to commitments
faithless · adulterer · adulteress · infidelity · affair · cuckold · extramarital · fornicator
Violating standards of propriety
- improperLacking in propriety
- unseemlyInappropriate for the occasion
- unbecomingInappropriate or unsuitable
- indelicateLacking refinement or tact
suggestive · provocative · risqué · brazen · bold · forward · flirtatious · coquettish
licentious
Sexually unrestrained behavior
lecherous · lascivious · lewd · libertine · debauched · dissolute · immodest · shameless · indecent · salacious
defiled
Made foul or impure
fallen · dishonored · soiled · besmirched · stained · ruined · violated · despoiled · degraded · debased
unfaithful
Betraying a partner's trust
- cheatingDeceptive rule-breaking
- philanderingCasual extramarital affairs
- two-timingBeing unfaithful romantically
disloyal · faithless · adulterer · adulteress · infidelity · affair · cuckold · extramarital · fornicator · mistress
indecorous
Violating standards of propriety
- improperLacking in propriety
- unseemlyInappropriate for the occasion
- unbecomingInappropriate or unsuitable
indelicate · suggestive · provocative · risqué · brazen · bold · forward · flirtatious · coquettish · seductive
- risquerisque, racy, bawdy, ribald, suggestive