• definitions

red flag

see definition of red flag
  • nounwarning signal
Relevance ranks synonyms and suggests the best matches based on how closely a synonym’s sense matches the sense you selected.

Synonyms for red flag

noun warning signal
  • casus belli
  • delicate subject
  • red light
  • red rag
  • sore point

stormy petrel

noun. bird of ill omen
  • Mother Carey's chicken
  • harbinger
  • omen
  • raven
  • rebel
  • red flag
  • storm petrel
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.