adj · noun · verb · 20 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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sĭgʹnəl
/ˈsɪɡnəl/
US:Recorded audio is listed in the source snapshot.
rhymes with -ɪɡnəl
CMU ARPABET:S IH1 G N AH0 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Standing above others in rank, importance, or achievement.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Examples
a signal exploit; a signal success; a signal act of benevolence
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A sequence of states representing an encoded message in a communication channel.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Any variation of a quantity or change in an entity over time that conveys information upon detection.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
An on-off light, semaphore, or other device used to give an indication to another person.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
An on-off light, semaphore, or other device used to give an indication to another person.
A railway signal.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
noun
Meaning 7
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.
Definition source: English Wiktionary via Wiktextract
From Old French segnal, seignal or Medieval Latin signāle; noun use of the neuter of Late Latin signālis, from Latin signum; verb use from 1805, as a shortened from signalize (1650s). Doublet of signum and sign.
Across languages
Translations
205 source translations are retained for this English entry.
Albanian:
sinjal
— sign made to give notice
Arabic:
إِشَارَة
(ʔišāra)
— sign made to give notice
Armenian:
ազդանշան
(azdanšan)
— sign made to give notice
Armenian:
ազդակ
(azdak)
— sign made to give notice
Azerbaijani:
siqnal
— sign made to give notice
Azerbaijani:
işarə
— sign made to give notice
Belarusian:
сігна́л
(sihnál)
— sign made to give notice
Belarusian:
сыгна́л
(syhnál)
— sign made to give notice
Belarusian:
знак
(znak)
— sign made to give notice
Bengali:
ইশারা
(iśara)
— sign made to give notice
Bengali:
সংকেত
(śoṅket)
— sign made to give notice
Bulgarian:
сигна́л
(signál)
— sign made to give notice
Burmese:
လက္ခဏာ
(lakhka.na)
— sign made to give notice
Catalan:
senyal
— sign made to give notice
Chinese Mandarin:
信號 /信号
(xìnhào)
— sign made to give notice
Chinese Mandarin:
訊號 /讯号
(xùnhào)
— sign made to give notice
Czech:
znamení
— sign made to give notice
Czech:
signál
— sign made to give notice
Danish:
signal
— sign made to give notice
Dutch:
signaal
— sign made to give notice
Dutch:
sein
— sign made to give notice
Esperanto:
signalo
— sign made to give notice
Estonian:
signaal
— sign made to give notice
Finnish:
merkki
— sign made to give notice
Finnish:
signaali
— sign made to give notice
French:
signal
— sign made to give notice
Galician:
sinal
— sign made to give notice
Georgian:
სიგნალი
(signali)
— sign made to give notice
German:
Signal
— sign made to give notice
Greek:
σήμα
(síma)
— sign made to give notice
Hebrew:
אוֹת
(ot)
— sign made to give notice
Hebrew:
סִיגְנָל
(signál)
— sign made to give notice
Hindi:
संकेत
(saṅket)
— sign made to give notice
Hindi:
इशारा
(iśārā)
— sign made to give notice
Hungarian:
jel
— sign made to give notice
Hungarian:
jelzés
— sign made to give notice
Hungarian:
jeladás
— sign made to give notice
Hungarian:
index
— sign made to give notice
Hungarian:
szignál
— sign made to give notice
Icelandic:
merki
— sign made to give notice
Indonesian:
anggai
— sign made to give notice
Indonesian:
isyarat
— sign made to give notice
Italian:
segnale
— sign made to give notice
Japanese:
信号
(shingō)
— sign made to give notice
Japanese:
合図
(aizu)
— sign made to give notice
Japanese:
シグナル
(shigunaru)
— sign made to give notice
Kazakh:
сигнал
(signal)
— sign made to give notice
Khmer:
តម្រុយ
(tɑmroy)
— sign made to give notice
Khmer:
សង្កេត
(sɑɑsɑngkeet)
— sign made to give notice
Khmer:
សញ្ញា
(saññaa)
— sign made to give notice
Korean:
신호
(sinho)
— sign made to give notice
Korean:
시그널
(sigeuneol)
— sign made to give notice
Northern Kurdish:
sînyal
— sign made to give notice
Northern Kurdish:
îşaret
— sign made to give notice
Kyrgyz:
сигнал
(signal)
— sign made to give notice
Lao:
ສັນຍານ
(san nyān)
— sign made to give notice
Latvian:
signāls
— sign made to give notice
Lithuanian:
signalas
— sign made to give notice
Macedonian:
сигнал
(signal)
— sign made to give notice
Malay:
isyarat
— sign made to give notice
Mongolian:
дохио
(doxio)
— sign made to give notice
Mongolian:
ᠳᠣᠬᠢᠶᠠ
(doqiy-a)
— sign made to give notice
Norwegian Bokmål:
signal
— sign made to give notice
Norwegian Nynorsk:
signal
— sign made to give notice
Pashto:
اشاره
(ešārá)
— sign made to give notice
Pashto:
سيګنل
(signál)
— sign made to give notice
Pashto:
زيګنال
(zignãl)
— sign made to give notice
Dari:
اِشَارَه
(išāra)
— sign made to give notice
Iranian Persian:
اِشارِه
(ešâre)
— sign made to give notice
Iranian Persian:
سیگْنال
(signâl)
— sign made to give notice
Polish:
sygnał
— sign made to give notice
Portuguese:
sinal
— sign made to give notice
Romanian:
semnal
— sign made to give notice
Russian:
сигна́л
(signál)
— sign made to give notice
Russian:
знак
(znak)
— sign made to give notice
Serbo-Croatian:
сѝгна̄л
— sign made to give notice
Serbo-Croatian:
sìgnāl
— sign made to give notice
Slovak:
znamenie
— sign made to give notice
Slovak:
signál
— sign made to give notice
Slovene:
signal
— sign made to give notice
Spanish:
señal
— sign made to give notice
Swahili:
ishara
— sign made to give notice
Swedish:
signal
— sign made to give notice
Tajik:
ишора
(išora)
— sign made to give notice
Tajik:
ишорат
(išorat)
— sign made to give notice
Tajik:
сигнал
(signal)
— sign made to give notice
Telugu:
సంజ్ఞ
(sañjña)
— sign made to give notice
Telugu:
సంకేతం
(saṅkētaṁ)
— sign made to give notice
Thai:
สัญญาณ
(sǎn-yaan)
— sign made to give notice
Turkish:
sinyal
— sign made to give notice
Turkish:
işaret
— sign made to give notice
Ottoman Turkish:
اشارت
(işaret)
— sign made to give notice
Turkmen:
signal
— sign made to give notice
Turkmen:
yşarat
— sign made to give notice
Ukrainian:
сигна́л
(syhnál)
— sign made to give notice
Ukrainian:
знак
(znak)
— sign made to give notice
Urdu:
اِشارَہ
(iśāra)
— sign made to give notice
Uyghur:
سىگنال
(signal)
— sign made to give notice
Uyghur:
ئىشارەت
(isharet)
— sign made to give notice
Uzbek:
signal
— sign made to give notice
Uzbek:
ishora
— sign made to give notice
Vietnamese:
tín hiệu
— sign made to give notice
Yiddish:
סיגנאַל
(signal)
— sign made to give notice
Bulgarian:
семафо́р
(semafór)
— device to give indication
Catalan:
senyal
— device to give indication
Czech:
signál
— device to give indication
Danish:
signal
— device to give indication
Dutch:
sein
— device to give indication
Finnish:
opastin
— device to give indication
Finnish:
merkinantolaite
— device to give indication
French:
signal
— device to give indication
Galician:
sinal
— device to give indication
German:
Signal
— device to give indication
Hungarian:
szemafor
— device to give indication
Hungarian:
jelzőberendezés
— device to give indication
Italian:
segnale
— device to give indication
Norwegian Bokmål:
signal
— device to give indication
Norwegian Nynorsk:
signal
— device to give indication
Polish:
sygnał
— device to give indication
Portuguese:
sinal
— device to give indication
Romanian:
semnal indicator
— device to give indication
Romanian:
semnalizator
— device to give indication
Russian:
семафо́р
(semafór)
— device to give indication
Spanish:
señal
— device to give indication
Swedish:
signal
— device to give indication
Bulgarian:
сигна́л
(signál)
— telecommunication: electromagnetic action that conveys information
Catalan:
senyal
— telecommunication: electromagnetic action that conveys information
Chinese Mandarin:
信号
(xìnhào)
— telecommunication: electromagnetic action that conveys information
Danish:
signal
— telecommunication: electromagnetic action that conveys information
Dutch:
signaal
— telecommunication: electromagnetic action that conveys information
Esperanto:
signalo
— telecommunication: electromagnetic action that conveys information
Finnish:
signaali
— telecommunication: electromagnetic action that conveys information
Galician:
sinal
— telecommunication: electromagnetic action that conveys information
Hungarian:
jel
— telecommunication: electromagnetic action that conveys information
Hungarian:
rádiójel
— telecommunication: electromagnetic action that conveys information
Hungarian:
térerő
— telecommunication: electromagnetic action that conveys information
Hungarian:
térerősség
— telecommunication: electromagnetic action that conveys information
Indonesian:
sinyal
— telecommunication: electromagnetic action that conveys information
Italian:
segnale
— telecommunication: electromagnetic action that conveys information
Italian:
campo
— telecommunication: electromagnetic action that conveys information
Japanese:
電波
(denpa)
— telecommunication: electromagnetic action that conveys information
Korean:
전파
(jeonpa)
— telecommunication: electromagnetic action that conveys information
Marshallese:
bar
— telecommunication: electromagnetic action that conveys information
Norwegian Bokmål:
signal
— telecommunication: electromagnetic action that conveys information
Norwegian Nynorsk:
signal
— telecommunication: electromagnetic action that conveys information
Portuguese:
sinal
— telecommunication: electromagnetic action that conveys information
Portuguese:
rede
— telecommunication: electromagnetic action that conveys information
Romanian:
semnal
— telecommunication: electromagnetic action that conveys information
Russian:
сигна́л
(signál)
— telecommunication: electromagnetic action that conveys information
Spanish:
señal
— telecommunication: electromagnetic action that conveys information
Swedish:
signal
— telecommunication: electromagnetic action that conveys information
Turkish:
sinyal
— telecommunication: electromagnetic action that conveys information
Vietnamese:
tín hiệu
— telecommunication: electromagnetic action that conveys information
Esperanto:
signalo
— action, change or process to convey information
Spanish:
señal
— action, change or process to convey information
Bulgarian:
знак
(znak)
— foreshadowing
Finnish:
enne
— foreshadowing
Finnish:
ennusmerkki
— foreshadowing
Indonesian:
padah
— foreshadowing
Indonesian:
pertanda
— foreshadowing
Portuguese:
sinal
— foreshadowing
Russian:
знак
(znak)
— foreshadowing
Bulgarian:
сигна́л
(signál)
— useful information as opposed to noise
Finnish:
signaali
— useful information as opposed to noise
Indonesian:
isyarat
— useful information as opposed to noise
Indonesian:
sinyal
— useful information as opposed to noise
Portuguese:
sinal
— useful information as opposed to noise
Russian:
сигна́л
(signál)
— useful information as opposed to noise
Bulgarian:
сигна́л
(signál)
— computing: simple interprocess communication
Dutch:
signaal
— computing: simple interprocess communication
Finnish:
signaali
— computing: simple interprocess communication
French:
signal
— computing: simple interprocess communication
Indonesian:
sinyal
— computing: simple interprocess communication
Russian:
сигна́л
(signál)
— computing: simple interprocess communication
Belarusian:
сігналізава́ць
(sihnalizavácʹ)
— to indicate
Bulgarian:
сигнализирам
(signaliziram)
— to indicate
Danish:
give signal
— to indicate
Danish:
signalere
— to indicate
Finnish:
viestittää
— to indicate
Finnish:
signaloida
— to indicate
Finnish:
opastaa
— to indicate
French:
signaler
— to indicate
German:
signalisieren
— to indicate
Ancient Greek:
σημειόω
(sēmeióō)
— to indicate
Hungarian:
jelez
— to indicate
Hungarian:
jelt ad
— to indicate
Hungarian:
jelöl
— to indicate
Hungarian:
indexel
— to indicate
Italian:
segnalare
— to indicate
Italian:
indicare
— to indicate
Lithuanian:
signalizuoti
— to indicate
Māori:
rota
— to indicate
Māori:
rotarota
— to indicate
Māori:
whakapua
— to indicate
Māori:
hū
— to indicate
Polish:
sygnalizować
— to indicate
Polish:
zasygnalizować
— to indicate
Russian:
сигнализи́ровать
(signalizírovatʹ)
— to indicate
Russian:
просигнализи́ровать
(prosignalizírovatʹ)
— to indicate
Sicilian:
sincalijari
— to indicate
Sicilian:
sinnari
— to indicate
Sicilian:
nnicari
— to indicate
Spanish:
señalar
— to indicate
Ukrainian:
сигналізува́ти
(syhnalizuváty)
— to indicate
Ukrainian:
просигналізува́ти
(prosyhnalizuváty)
— to indicate