Meanings
nounkey fob (plural key fobs)
plural key fobs · alternative keyfob · alternative fob key
- An item carried on a key ring either as decoration or for security.
- A passive wireless electronic device that usually uses RFID technology to control access to buildings, containers, computers, etc. by being placed near a detector.
- An active wireless electronic device that controls access to buildings or vehicles, such as a remote control for a car door lock.
She finds her key fob and unlocks the doors.
2020, N. K. Jemisin, The City We Became, Orbit, page 416
Synonyms & antonyms
nounA small object fastened to a key chain or key ring and designed to be comfortably grasped.
Similar
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Chinese Mandarin 鑰匙圈掛飾 /钥匙圈挂饰, 感應卡 /感应卡
- 鑰匙圈掛飾 /钥匙圈挂饰item carried on a key ring
- 感應卡 /感应卡passive device that controls access
- 遙控鑰匙 /遥控钥匙 (yáokòng yàoshi)active device that controls access
- 電子鑰匙 /电子钥匙 (diànzǐ yàoshi)active device that controls access
Dutch sleutelhanger
- sleutelhangeritem carried on a key ring
Finnish avaimenperä, (elektroninen) avaimenperä
- avaimenperäitem carried on a key ring
- (elektroninen) avaimenperäpassive device that controls access
- avaimenperätunnistinpassive device that controls access
- RFID-avainpassive device that controls access
- (kauko-ohjattava) autonavainactive device that controls access
French badge, bip
- badgepassive device that controls access
- bippassive device that controls access
German Schlüsselanhänger, elektronischer Schlüsselanhänger
- Schlüsselanhängeritem carried on a key ring
- elektronischer Schlüsselanhängerpassive device that controls access
- RFID-Schlüsselanhängerpassive device that controls access
- RFID-Transponderpassive device that controls access
- (elektronischer) Autoschlüsselactive device that controls access
- Funkschlüsselactive device that controls access
Greek μπρελόκ
- μπρελόκ (brelók)item carried on a key ring
Hungarian közelítőkulcs
- közelítőkulcspassive device that controls access
Indonesian gantungan kunci
- gantungan kunciitem carried on a key ring
Irish siogairlín eochrach
- siogairlín eochrachitem carried on a key ring
Polish brelok, brelok
- brelokitem carried on a key ring
- brelokpassive device that controls access
- brelokactive device that controls access
Romanian breloc
- brelocitem carried on a key ring
Russian брело́к, брело́к
- брело́к (brelók)item carried on a key ring
- брело́к (brelók)passive device that controls access
- брело́к (brelók)active device that controls access
Spanish llavín automotriz con control remoto, control remoto automotor con llavín
- llavín automotriz con control remotoactive device that controls access
- control remoto automotor con llavínactive device that controls access
Swedish nyckelring
- nyckelringitem carried on a key ring
Turkish anahtarlık
- anahtarlıkitem carried on a key ring
Vietnamese móc chìa khoá
- móc chìa khoáitem carried on a key ring
Cite this entry
APA
key fob. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/key%20fob
MLA
“key fob.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/key%20fob. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “key fob,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/key%20fob.
Source: key fob on Wiktionary, CC BY-SA 4.0.