Synonym: bespeak, betoken, indicate, point, sign, signaling, signalise, signalize. Similar words: signature, sign on, assign, sign in, resign, design, designs, designer. Meaning: ['sɪgnl] 
n. 1. any communication that encodes a message 2. any incitement to action 3. an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes. v. 1. communicate silently and non-verbally by signals or signs 2. be a signal for or a symptom of. adj. notably out of the ordinary.
n. 1. any communication that encodes a message 2. any incitement to action 3. an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes. v. 1. communicate silently and non-verbally by signals or signs 2. be a signal for or a symptom of. adj. notably out of the ordinary. 
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(31) The train ran past the signal.
(32) The headmaster gave the signal to begin.
(33) It will distort the signal.
(34) The ship is sending out an SOS signal.
(35) At a prearranged signal, everyone started moving forwards.
(36) The signal was breaking up.
(37) Don't move until I give the sign/signal.
(38) The signal was given and the procession moved off.
(39) The radio is giving out a signal.
(40) Signal before you pull out.
(41) The coded signal is received by satellite dish aerials.
(42) I corrected my watch by the time signal.
(43) The emergency signal SOS has no literal meaning.
(44) At a pre-arranged signal,(http://sentencedict.com/signal.html) everyone started cheering.
(45) This is a signal failure.
(46) The equipment picked up the signal from the satellite.
(47) Is this announcement the signal of better times ahead?
(48) This time the display flashed a red warning signal.
(49) At a pre-arranged signal the lights went out.
(50) The director gave the signal and the cameras rolled.
(51) They beamed the signal to the satellite.
(52) Don't fire until I signal.
(53) Run to your positionswhen you hear the prearranged signal.
(54) You mustn't fire without my signal.
(55) A red light is usually a signal for/of danger.
(56) The lighthouse flashes signal twice a minute.
(57) The flow of current actuates the signal.
(58) The red signal means you can shoot.
(59) She made a signal for the car to stop.
(60) At a prearranged signal, everyone stood up.
More similar words: signature, sign on, assign, sign in, resign, design, designs, designer, design for, significant, assignment, significance, significantly, pregnant, pregnancy, pugnacious, sigh, foreigner, campaign, in sight, insight, out of sight, sovereignty, in all, lose sight of, at first sight, journal, finally, all in all, analyze.