A change or disturbance in a system or process.

A state of anxiety or mental disturbance.

चिंता या मानसिक व्यवधान की स्थिति।

English Usage: His perturbation was evident during the presentation.

Hindi Usage: प्रस्तुति के दौरान उसकी चिंता स्पष्ट थी।

To disturb or confuse something.

To make someone anxious or worried.

किसी को चिंता या परेशानी में डालना।

English Usage: The news of the storm began to perturb the residents.

Hindi Usage: तूफान की खबर ने निवासियों को चिंता में डाल दिया।