Engaging in sexual relations with someone who is married to someone else.

An act of betrayal or infidelity in a relationship.

विश्वासघात

English Usage: Many see his business decisions as adulteries against the company's founding principles.

Hindi Usage: बहुत से लोग उनके व्यापारिक निर्णयों को कंपनी के संस्थापक सिद्धांतों के खिलाफ परस्त्रीगमन के रूप में देखते हैं।