1. a large, dark cloud that produces thunder and lightning during a storm
2. a person’s angry or threatening facial expression
Usage: figurative

Examples

• The massive thundercloud loomed over the city before the storm hit.
• Lightning flashed from the dark thundercloud above.
• We could see the thundercloud building on the horizon.
• The pilot avoided flying through the thundercloud.
• His face was like a thundercloud when he heard the bad news.
• She wore a thundercloud expression after the argument.
• The thundercloud brought heavy rain and hail to the area.