Signal
/ˈsɪɡnəl/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:7 ptsWWF:10 pts6 letters
Definition of Signal
noun
- A sequence of states representing an encoded message in a communication channel.
- Any variation of a quantity or change in an entity over time that conveys information upon detection.
- A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
- An on-off light, semaphore, or other device used to give an indication to another person.
- (of a radio, TV, telephone, internet, etc.) An electromagnetic action, normally a voltage that is a function of time, that conveys the information of the radio or TV program or of communication with another party.
"My mobile phone can't get a signal in the railway station."
verb
- To indicate; to convey or communicate by a signal.
- To communicate with (a person or system) by a signal.
"Seeing the flames, he ran to the control room and signalled headquarters."
adjective
- Standing above others in rank, importance, or achievement.
"a signal exploit; a signal service; a signal act of benevolence"
Anagrams of Signal
Words You Can Make
50 words can be made from the letters in "signal":
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Synonyms & Antonyms
SYNONYMS
eminentnoteworthysignificant
ANTONYMS
noise