signal
/ˈsɪɡnəl/
noun
- A sign, gesture, or sound that gives information or instructions.
- She gave a thumbs-up signal to show that everything was okay.
- The traffic light turned red, which was a signal for us to stop.
- The smoke from the campfire was a signal for help.
- An electrical or radio wave that carries information, such as for television, radio, or the internet.
- My phone can't get a signal in this remote area.
- The radio signal was strong enough to reach the next town.
- The TV lost its signal during the storm.
- An event or action that shows that something is likely to happen.
- The first frost is often a signal that winter is coming.
- The company's falling profits were a signal that changes were needed.
- His sudden silence was a signal that he was upset.
Synonyms
Antonyms
verb
- To make a sign, gesture, or sound to give information or instructions.
- The police officer signaled for the cars to stop.
- The captain signaled the crew to prepare for departure.
- She signaled to her friend across the room by waving.
- To indicate or show something clearly.
- The dark clouds signal that a storm is on the way.
- The results of the test signal a possible problem with the engine.
- His smile signaled that he was happy with the news.
Synonyms
adjective
- Important or noticeable in a way that attracts attention.
- The team made a signal improvement in their performance this season.
- The discovery was a signal achievement for the scientists.
- Her speech was a signal moment in the history of the organization.