Definition of Signal
Signal
sig·nal
Definition/Meaning
(noun)
A gesture, sound, or message that conveys information or instruction.
e.g. The traffic signal turned green, and the cars began to move.
(noun)
a sign that indicates the status of a situation, or some situation/event that prompts or triggers something to happen;
e.g. Wait for his signal before moving forward, so that you know it is safe. She gave the signal to start singing.
(noun)
a radio wave or electrical impulse that is received or transmitted, used for conveying audio or video information;
e.g. My phone is not receiving any signal so I can't make any calls.
(verb)
to communicate with someone and transmit instructions or information using actions, gestures, or signs/sounds, but not explicit words;
e.g. He waved to signal that he could see them. She tried to signal them not to ask any questions.
(verb)
to express something, indicate the occurrence of something, or announce one's intentions using sounds and/or actions rather than words;
e.g. She gave them a smile to signal her support of their argument. When driving, he always makes sure to signal before turning.
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