Synonyms for

Signal

Verb / ˈsɪgnʌl / Another word for signal — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

A gesture, action, or sound used to convey information or instructions, typically by prearrangement between the parties concerned.

Synonyms & similar words

indicate sign betoken point signaling signalise signalize bespeak sign indication cue gesture token mark warning alert beacon flare flash lamp firework telegraph radio television phone message notice

Synonyms by register

Formal

indication sign manifestation token

Informal

cue tip hint nudge

Literary

omen portent augury

Antonyms

silence stillness quiet unresponsiveness inaction nonresponse

Common collocations

  • give a signal
  • receive a signal
  • clear signal
  • strong signal
  • weak signal
  • signal a change
  • signal the start
  • signal the end

Word family

noun signal
verb signal
adjective signal

Usage note

As a verb, 'signal' often implies a deliberate act to convey information. Be mindful of the context; 'signal' can refer to both intentional communication and unintentional indications.

Example sentences

  1. The lifeguard gave a signal for everyone to get out of the water.
  2. I used hand signals to communicate with my friend across the room.
  3. The ship's captain sent a signal for help when they were stranded at sea.
  4. The smoke signal was used by Native Americans to communicate over long distances.
  5. The police officer used a signal to direct traffic during the parade.

Quotes

  • 'The signal is everything!' - Captain Ahab
  • 'The signal is in the noise.' - Richard Feynman
  • 'The signal went on, and the noise went off.' - Umberto Eco

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