1. To produce thunder: "It was raining and thundering all night which made it difficult to sleep."
2. To make a loud sound like that of thunder: "The guns thundered in the distance as the rebels were being attacked by the country's military forces." 3. To move in a way which makes a loud sound: "Trucks thundered by the motel even during the night."
4. To shout something with loud approval or disapproval: "The crowd thundered its approval of what the speaker suggested could be a solution to the poor economic situation."