yellow peril

WordReference Random House Unabridged Dictionary of American English © 2025

yel′low per′il, [Usually Offensive.]

1. Slang Terms the alleged danger that Western civilizations and populations could be overwhelmed by numerically superior Oriental peoples.
2. Slang Terms the Oriental peoples regarded as presenting such a danger.

• 1895–1900

Collins Concise English Dictionary © HarperCollins Publishers::

yellow peril noun

1. the power or alleged power of Asiatic peoples, esp the Chinese, to threaten or destroy the supremacy of White or Western civilization