Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “signal”

signal

noun [C] (SHOWING)    /ˈsɪɡ.nəl/
something that shows that something else exists or is likely to happen: The poor result is a clear signal of his deteriorating confidence. The changing colour of the leaves on the trees is a signal that it will soon be autumn.Signs, signals and symbolsSpecific signs and symbols
(Definition of signal noun (SHOWING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of signal

Definitions of “signal” in other dictionaries

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More