Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

red light

noun

Synonyms and Antonyms of red light

  1. something that tells of approaching danger or risk <the reporter took her glower as a red light and stopped asking questions> Synonyms caution, red flag, warning, tip-off, tocsin, wake-up callRelated Words omen, portent, premonition, presage; notice, notification; buoy, indicator, knell, sign, signal; foretaste, foretoken; announcement, declarationNear Antonyms all clear




Learn More about red light


Seen and Heard

What made you want to look up red light? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the range of perception or understanding

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

disapprove soothe reduce perplex
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ