Reference meaning
red flag
Last updated
a flag that serves as a warning signal
Other meanings
2. noun
the emblem of socialist revolution
3. noun
something that irritates or demands immediate action
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 07265619-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.