reproachful (adjective)

1. The reproachful tone of the robot's voice warned the astronaut about the imminent danger.

2. In the movie, the antagonist's reproachful glare towards the protagonist intensified the suspense of the scene.

3. The wizard gave the young apprentice a reproachful look after he made a careless mistake in the spellcasting.

4. The reproachful denunciation of King George III's policies by the American colonists sparked the revolutionary movement.