signal
US /ˈsɪɡnəl/
・UK /'sɪɡnəl/
A2
other
- To indicate or be a sign of (something about to happen).
- To convey information or instructions by means of a gesture, action, or sound.
- To indicate or make known, especially by means of a signal.
- To indicate or communicate by means of a signal.
noun
- A variable parameter by which information is conveyed through an electronic circuit or telecommunications channel.
- Evidence or an indication something will happen
- A gesture, action, or sound that is used to convey information or instructions.
- A sign, gesture, or device that conveys information or instructions.
- Movement of a hand or other means to send messages
- A device on a railway that indicates whether the line ahead is clear or not.
- Act/sound that tells people to do/start something
- Road-side lights that direct traffic to go or stop
- Sound and light waves carrying TV and radio data
verb
- To be evidence/an indication something will happen
- To make a noise or motion to tell someone to start
adjective
- Remarkable or outstanding.
- Important or outstanding.
- Most important or most noticeable