signal
word
Definition
A signal is a sign, movement, sound, or message that gives information or tells someone to do something. It can also mean the electronic connection used by phones, radios, or networks.
Usage & Nuances
Common in everyday and technical English. Frequent collocations include 'traffic signal', 'signal strength', 'clear signal', 'send a signal', and 'a signal that...'. Do not confuse it with 'sign': a 'sign' is usually a visible notice or symbol, while a 'signal' actively communicates information or instruction.
Example Sentences
I lost the phone signal in the tunnel.
basic
She gave me a signal to come closer.
basic
The red signal means stop.
basic
That sudden silence was a signal that something was wrong.
natural
Can you check the Wi-Fi? The signal keeps dropping.
natural
He didn't say no, but his face signaled hesitation.
natural