(guilty) of adultery

unfaithful

(of behaviour, a person) not showing an interest in being bad or good

immoral, uncontrolled

(of a person, action) immoral; dishonest

dishonest

(of a person, behaviour) immoral, evil

lacking restraint, indulgent

outside the regular course of academic work or studies

unfaithful

immoral about sexual matters

immoral, uncontrolled

not thinking or caring about the effects, consequences

irresponsible in thought, deed