signal

Fetched 2026-10-26 (cache).

Synonyms: sigal, signall, signa, sinal, signac

Antonyms: sigal, signall, signa, sinal, signac

Related words from Datamuse; suggestions, not definitions.

Noun

1. A sequence of states representing an encoded message in a communication channel.
2. Any variation of a quantity or change in an entity over time that conveys information upon detection.
3. A [[sign]] made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
4. An on-off light, [[semaphore]], or other device used to give an indication to another person.
5. {{lb|en|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.
6. An action, change or process done to convey information and thus reduce uncertainty.
7. A [[token]]; an [[indication]]; a [[foreshadowing]]; a [[sign]].
8. {{U|useful}} [[information]], as opposed to [[noise]].
9. {{lb|en|computing|Unix}} A simple [[interprocess]] [[communication]] used to [[notify]] a [[process]] or [[thread]] of an occurrence.
10. {{lb|en|biochemistry}} A [[signalling]] [[interaction]] between [[cell]]s.

Verb

1. {{lb|en|ambitransitive}} To [[indicate]]; to [[convey]] or [[communicate]] by a signal.
2. {{lb|en|transitive}} To communicate with (a person or system) by a signal.

Adjective

1. Standing above others in rank, importance, or achievement.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.