see red

Cultural  

1. To be or become extremely angry: “When Roger realized that he had been duped, he started to see red.”

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see red Idioms  

1. Become very angry, as in I saw red when I learned they had not invited Tom and his family. The precise allusion in this term is not known, but it probably refers to the longstanding association of the color red with passion and anger. [Colloquial; c. 1900]

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Example Sentences

We are beginning to see red flags that have traditionally marked the top of an asset-price cycle, particularly with a wave of IPOs and a global monetary pivot on the way.

From Barron's • Jun. 5, 2026

This breakthrough may finally explain why astronomers rarely see red supergiants explode, even though models predict they should account for most core-collapse supernovae.

From Science Daily • Oct. 9, 2025

That’s right, purple made the Rams see red, especially after the Vikings beat them in the 1969 Western Conference Championship, NFC title games in 1974 and ’76, and a divisional matchup in 1977.

From Los Angeles Times • Jan. 13, 2025

Whether happy or sad, when hens get flustered they see red — and so do their farmers.

From Salon • May 15, 2024

The eyes seemed to grow in size as Nathan could clearly see red veins streaking across their white roundness.

From "Healer of the Water Monster" by Brian Young

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