signals

noun

A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.

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.

(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.

An on-off light, semaphore, or other device used to give an indication to another person.

Useful information, as opposed to noise.

A token; an indication; a foreshadowing; a sign.

An action, change or process done to convey information and thus reduce uncertainty.

(biochemistry) A signalling interaction between cells

(computing, Unix) A simple interprocess communication used to notify a process or thread of an occurrence.

verb

(transitive) To communicate with (a person or system) by a signal.

(ambitransitive) To indicate; to convey or communicate by a signal.

adjective

Standing above others in rank, importance, or achievement.

Roots

signumsign- · Latin · mark, sign

Synonyms & related words for signals

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Words related to signals

Explore words related to signals — words associated with it, words that go with it, and its nearest matches in meaning. Related words include signaling, signaled, signalment, signalize, signaler, signalman, transmitters, signalization. Click any word to make it the center of the map and keep exploring the web of connections.

Where does signals come from?

The word signals breaks down into one root of Latin origin: the root sign-, from Latin signum (“mark, sign”). Explore each root to see other English words built from the same source.