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- pronunciation:
- sIg
n
 l
- parts of speech:
- noun, verb
- features:
- Word Explorer
| part of speech: |
noun |
| definition 1: |
A signal is something that communicates some meaning without using words. A signal might be a movement, a light, a sound, or a device that sends out a meaning using lights or sounds. A signal gives information, instructions, or warnings.
Some animals send out signals to warn others of danger.When my mom winked at me, I knew it was a signal for me to bring in my dad's birthday present.My dad says that when you put on your turn signal in your car, you're telling the other drivers that you are going to turn.A red light is a signal for drivers to stop.- synonyms:
- sign
- similar words:
- alarm, alert, gesture, warning
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| definition 2: |
A signal is a special thing that allows or commands something to begin.
A wave of the yellow flag was the signal to begin the race. |
| definition 3: |
Invisible waves that travel through the air to a radio are called signals. The signals are sent out from a radio station and the radio receives them. Televisions and phones receive signals too that let us see images and hear sounds that come from another place.
My mom can't use her phone when we are up in the mountains because she can't get any signals up there. |
| related words: |
caution, password, warning, wave |
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| part of speech: |
verb |
| inflections: |
signals, signaling, signaled |
| definition 1: |
When someone signals you to do something, it means that they tell you to do it without using any words. Usually, people signal with their hands or arms, or they make some sound.
The police officer signaled the driver to stop his car.When I came into the room, my mom signaled me to be quiet because the baby was asleep.- similar words:
- beckon, motion, wave
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| definition 2: |
When you signal something, you communicate a simple message without using words.
The driver signaled that he was going to turn.The plane signaled that it was going to land.- synonyms:
- sign
- similar words:
- beckon, gesture, nod, radio, wave
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| definition 3: |
When something signals a meaning, it sends out that meaning to people.
The bell signaled the end of class.The waving flag signaled the beginning of the race.- synonyms:
- indicate
- similar words:
- announce, beckon, mean
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| related words: |
caution, distinguish, foretell, nod |
| derivation: |
signaler (n.) |
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