A periodic rise and fall of the sea level, primarily caused by the gravitational forces exerted by the moon and the sun.

A significant change or movement, often in a social or political context.

प्रवृत्ति

English Usage: The tides of change have swept through the country, altering its political landscape.

Hindi Usage: बदलाव की प्रवृत्तियाँ देश के भीतर फैल गई हैं, जिसने इसकी राजनीतिक परिदृश्य को बदल दिया है।