#491 Tuesday, September 30
I'm a loud warning sound. Ambulances and fire trucks use me. What am I?
The daily Ryddle for Thursday, September 18, 2025
I'm a small wave on the surface of water. Drop a stone and I appear. What am I?
Think you know it? Play it to make your guesses, or reveal the hint and answer below.
I spread outward in circles.
The answer is ripple.