the way in which one acts or conducts oneself

व्यवहार

English Usage: His behaviour at the party was quite odd.

Hindi Usage: उसका पार्टी में व्यवहार काफी अजीब था।

the communication of disease from one person to another

संक्रामक रोग

English Usage: The contagion spread quickly through the population.

Hindi Usage: संक्रामक रोग तेजी से जनसंख्या में फैल गया।

the spontaneous spread of an effect or emotion through a group

भावना का संचार

English Usage: There was a contagion of laughter in the room.

Hindi Usage: कमरे में हंसी का संचार हो गया।