a moving ridge on the surface of a liquid

a gesture made to signal or greet

इशारा

English Usage: She gave a wave as she walked away.

Hindi Usage: उसने चलते-फिरते इशारा किया।

to form small waves or undulations

to spread gradually

फैलना

English Usage: The news began to ripple through the community.

Hindi Usage: यह खबर सामुदायिक में फैलने लगी।