name · verb · 4 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈbluː.tuːθ/
General-American:/ˈblu.tuθ/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:B L UW1 T UW2 TH
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
name
Meaning 1
The nickname of Harald Gormsson, a king of Denmark and Norway.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
name
Meaning 2
An short-range wireless technology standard for personal area networks.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
Alternative letter-case form of Bluetooth.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree Proto-Indo-European *bhel- Proto-Indo-European *-eh1- Proto-Indo-European *bhleh1-der. Proto-Indo-European *bhleh1wos Proto-Germanic *blēwaz Proto-West Germanic *blāubor. Late Latin blāvus Anglo-Norman bleubor. Middle English blew English blue Proto-Indo-European *h3ed- Proto-Indo-European *-ónts Proto-Indo-European *h3dónts Proto-Germanic *tanþs Proto-West Germanic *tanþ Old English tōþ Middle English toth English tooth ▲ Old Norse Blátǫnncalq. English Bluetooth From blue + tooth. Calque of Old Norse Blátǫnn (compare modern Danish Blåtand). The networking standard is named after the king, since the technology unites computers and mobile devices similarly to the way he united the Danish tribes.
Across languages
Translations
74 source translations are retained for this English entry.
Belarusian:
Сінязу́бы
(Sinjazúby)
— Danish king
Czech:
Modrozub
— Danish king
Danish:
Blåtand
— Danish king
Dutch:
Blauwtand
— Danish king
Estonian:
Sinihammas
— Danish king
Faroese:
Blátonn
— Danish king
Finnish:
Sinihammas
— Danish king
Georgian:
ლურჯკბილა
(lurǯḳbila)
— Danish king
German:
Blauzahn
— Danish king
Greek:
Κυανόδους
(Kyanódous)
— Danish king
Hungarian:
Kékfogú
— Danish king
Icelandic:
Blátönn
— Danish king
Irish:
Gormfhiacail
— Danish king
Italian:
Dente Azzurro
— Danish king
Japanese:
青歯王
(Seishi-ō)
— Danish king
Korean:
푸른 이빨
(pureun ippal)
— Danish king
Latvian:
Zilzobis
— Danish king
Lithuanian:
Mėlyndantis
— Danish king
Norwegian Nynorsk:
Blåtann
— Danish king
Old Norse:
Blátǫnn
— Danish king
Polish:
Sinozęby
— Danish king
Russian:
Синезу́бый
(Sinezúbyj)
— Danish king
Serbo-Croatian:
Модрозуби
— Danish king
Serbo-Croatian:
Плавозуби
— Danish king
Serbo-Croatian:
Modrozubi
— Danish king
Serbo-Croatian:
Plavozubi
— Danish king
Slovak:
Modrozubý
— Danish king
Swedish:
Blåtand
— Danish king
Ukrainian:
Синьозу́бий
(Synʹozúbyj)
— Danish king
Arabic:
بُلُوتُوث
(bulūtūṯ)
— short-range wireless technology standard
Arabic:
بْلُوتُوث
(blūtūṯ)
— short-range wireless technology standard
Arabic:
بلوتوث
(blūtūṯ)
— short-range wireless technology standard
Bulgarian:
блуту́т
(blutút)
— short-range wireless technology standard
Bulgarian:
блюту́т
(bljutút)
— short-range wireless technology standard
Chinese Cantonese:
藍牙 /蓝牙
(laam4 ngaa4)
— short-range wireless technology standard
Chinese Mandarin:
藍牙 /蓝牙
(Lányá)
— short-range wireless technology standard
Czech:
Bluetooth
— short-range wireless technology standard
Danish:
Bluetooth
— short-range wireless technology standard
Dutch:
Bluetooth
— short-range wireless technology standard
Esperanto:
Bludento
— short-range wireless technology standard
Finnish:
bluetooth
— short-range wireless technology standard
French:
Bluetooth
— short-range wireless technology standard
Georgian:
ბლუთუზი
(blutuzi)
— short-range wireless technology standard
German:
Bluetooth
— short-range wireless technology standard
Hebrew:
בלוטות׳
— short-range wireless technology standard
Hindi:
ब्लूटूथ
(blūṭūth)
— short-range wireless technology standard
Hindi:
नीलादाँत
(nīlādā̃t)
— short-range wireless technology standard
Hungarian:
Bluetooth
— short-range wireless technology standard
Italian:
bluetooth
— short-range wireless technology standard
Japanese:
ブルートゥース
(Burūtūsu)
— short-range wireless technology standard
Japanese:
青歯
(Aoba)
— short-range wireless technology standard
Korean:
블루투스
(Beullutuseu)
— short-range wireless technology standard
Macedonian:
бљуту́т
(bljutút)
— short-range wireless technology standard
Macedonian:
блуту́т
(blutút)
— short-range wireless technology standard
Malayalam:
ബ്ലൂടൂത്ത്
(blūṭūttŭ)
— short-range wireless technology standard
Marathi:
ब्ल्यूटूथ
(blyūṭūth)
— short-range wireless technology standard
Mongolian:
блүтүүт
(blütüüt)
— short-range wireless technology standard
Norwegian Nynorsk:
blåtann
— short-range wireless technology standard
Persian:
بلوتوث
— short-range wireless technology standard
Polish:
Bluetooth
— short-range wireless technology standard
Portuguese:
Bluetooth
— short-range wireless technology standard
Russian:
блюту́с
(bljutús)
— short-range wireless technology standard
Russian:
блюту́з
(bljutúz)
— short-range wireless technology standard
Russian:
синезу́б
(sinezúb)
— short-range wireless technology standard
Serbo-Croatian:
блутут
— short-range wireless technology standard
Serbo-Croatian:
бљутут
— short-range wireless technology standard
Serbo-Croatian:
blutut
— short-range wireless technology standard
Spanish:
Bluetooth
— short-range wireless technology standard
Swedish:
blåtand
— short-range wireless technology standard
Tamil:
புளுடூத்
(puḷuṭūt)
— short-range wireless technology standard
Thai:
บลูทูธ
(bluu-tûut)
— short-range wireless technology standard
Uyghur:
كۆكچىش
(kökchish)
— short-range wireless technology standard
Vietnamese:
bluetooth
— short-range wireless technology standard
Yiddish:
בלו טוט
(blu tut)
— short-range wireless technology standard