Meaning & use
signal
A sign, gesture, or transmitted message that conveys information or a warning to someone.
See it in a sentence
The referee's whistle was the signal for both teams to stop playing.
Her phone lost signal as soon as they entered the tunnel.
A note on using this word
Signal can be a physical sign between people or a technical transmission, such as radio or phone signal.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. verb
To make a gesture or sound that conveys information, a warning, or an instruction.
She signaled to the waiter that she was ready to order.
Make it your own
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