Thesaurus.com
Dictionary.com
Definitions

red flag

NOUN
warning signal
Synonyms
WEAK
casus belli delicate subject red light red rag sore point

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

RED FLAG: Denver’s drives keep stalling without tight end Julius Thomas, who hopes to return from a sprained left ankle Sunday.

From Washington Times • Dec. 6, 2014

The red flag, you fool! the RED FLAG!

From A Romance of Billy-Goat Hill by Rice, Alice Caldwell Hegan

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "red flag" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com