signal

• Adjetivo arcaico ou literário que significa notável, impressionante ou digno de atenção; algo que se destaca por sua excelência ou importância.

An archaic or literary adjective meaning remarkable, striking, or notable.

1. Notable or remarkableC1formal

   Standing out from the ordinary; striking or conspicuous.

   Notável

   • The project was a signal success for the team.
   • Her signal contribution to the field was widely recognized.
   • The event was a signal failure in terms of organization.

   Sinônimosconspicuousexceptionalextraordinarymemorablenotableoutstandingprominentremarkablesignificantstriking

   Antônimoscommoninconspicuousordinaryunremarkable

• Substantivo que designa um sinal, gesto ou impulso transmitido que leva informação, instruções ou aviso.

A noun referring to a sign, gesture, or transmitted impulse that conveys information, instructions, or a warning.

1. Sign or indicationA2formal

   A gesture, sound, or action that conveys information or instructions.

   Sinal

   • The referee gave a signal to start the game.
   • She raised her hand as a signal for help.
   • The smoke was a signal that something was burning.

   Sinônimoscuegesturehintindicationmarkeromensignsymptomtokenwarning

2. Electronic transmissionB1formal

   An electrical or electromagnetic impulse that carries data, such as radio, TV, or internet signals.

   Sinal

   • The radio signal is weak in this area.
   • My phone lost the signal during the storm.
   • The satellite sends a signal to the receiver on Earth.

   Sinônimosbroadcastemissionimpulsetransmissionwave

3. Traffic or warning deviceA2formal

   A device that uses lights, sounds, or movements to warn or direct people, such as traffic lights or railway signals.

   Sinal

   • The traffic signal turned red, so we stopped.
   • The train driver obeyed the signal at the crossing.
   • The warning signal flashed before the explosion.

   Sinônimosalarmbeaconindicatorlightsemaphoretraffic lightwarning light

• Verbo usado para indicar a ação de transmitir informação ou instruções por meio de um gesto, ação ou som.

A verb used to indicate the act of conveying information or instructions by means of a gesture, action, or sound.

1. Communicate non-verballyB1formal

   To convey information or instructions through gestures, signs, or other non-verbal means.

   Sinalizar

   • The police officer signaled the driver to stop.
   • She signaled her friend to come over by waving her hand.
   • He signaled that the coast was clear with a thumbs up.

   Sinônimosbeckoncueflaggesticulategestureindicatemotionnodsignwave

2. Indicate or showB2formal

   To be a sign or indication of something, often a future event or change.

   Indicar

   • The economic data signals a potential recession.
   • His resignation signaled the end of an era for the company.
   • The dark clouds signaled an approaching storm.

   Sinônimosannouncebetokendenoteforeshadowforetellheraldindicateportendpresagesignify

   Antônimosconcealhidemasksuppress

3. Transmit a signalB2formaltechnical

   To send a signal, especially using electronic or radio waves.

   Transmitir um sinal

   • The satellite signals data back to Earth.
   • The radio tower signals warnings to ships at sea.
   • The device signals when the battery is low.

   Sinônimosbeambroadcastemitradiaterelaysendtransmit