Resistance of an object to changes in its state of motion

Inactivity or lack of movement

निष्क्रियता या गति की कमी

English Usage: His inertia kept him from pursuing his dreams.

Hindi Usage: उसकी निष्क्रियता ने उसे अपने सपनों को पूरा करने से रोक दिया।

A device used to initiate and control a chemical reaction

A person who reacts to a situation or stimulus

एक व्यक्ति जो स्थिति या उत्तेजना पर प्रतिक्रिया करता है

English Usage: As a reactor to stressful situations, she remained calm.

Hindi Usage: तनावपूर्ण परिस्थितियों में प्रतिक्रिया करते हुए, वह शांत रही।