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Dictionary

  Definition of signal
  1. any communication that encodes a message; "signals from the boat suddenly stopped"
  2. any incitement to action; "he awaited the signal to start"; "the victory was a signal for wild celebration"
  3. an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
  4. be a signal for or a symptom of; "These symptoms indicate a serious illness"; "Her behavior points to a severe neurosis"; "The economic indicators signal that the euro is undervalued"
  5. communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"
  6. notably out of the ordinary; "the year saw one signal triumph for the Labour party"
Similar Words: signaling, sign, bespeak, betoken, indicate, point, signalize, signalise

 

Hyponyms: recording, phone number, telephone number, number, starting signal, start, storm signal, radio beam, beam, ticktack, time signal, dog-ear, animal communication, alarm, alert, warning signal, alarum, distress signal, distress call, all clear, bugle call, curfew, retreat, drumbeat, telegraphic signal, radiotelegraphic signal, whistle, whistling, high sign, symbol, visual signal, indicator, electronic signal, radio beacon, input signal, input, output signal, output, bode, portend, auspicate, prognosticate, omen, presage, betoken, foreshadow, augur, foretell, prefigure, forecast, predict, mark, wigwag, semaphore, heliograph, flag

 

Derivational Morphology: bless, sign, signalize, signalise, signify, bespeak, betoken, indicate, point, point out, call attention, distinguish, signaling, indication, indicant, indicator, signaler, signaller, signer, sign language, signing

 

 
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