Word.ws English Dictionary

key fob

key fob noun: an item carried on a key ring either as decoration or for security.

key fob: an item carried on a key ring either as decoration or for security
Image: Mateusz Adamowski, taken with Canon EOS, CC BY-SA 1.0, via Wikimedia Commons

Noun

key fob (plural key fobs)

  1. An item carried on a key ring either as decoration or for security.
  2. A passive wireless electronic device that usually uses RFID technology to control access to buildings, containers, computers, etc. by being placed near a detector.
  3. 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

key fob meaning in Indonesian and Vietnamese

key fob in Indonesian

item carried on a key ring
gantungan kunci

key fob in Vietnamese

item carried on a key ring
móc chìa khoá

Forms of key fob

pluralkey fobs
alternative formkeyfob
alternative formfob key

Questions about key fob

What does key fob mean?
Key fob means an item carried on a key ring either as decoration or for security.
What is key fob in Indonesian?
Key fob in Indonesian is gantungan kunci. See Key fob meaning in Indonesian.
What part of speech is key fob?
Key fob is a noun.
What is the plural of key fob?
The plural of key fob is key fobs.

Words near key fob in the dictionary

  1. key encapsulation mechanism
  2. key exchange
  3. key exchanges
  4. key finder
  5. key finders
  6. key fob
  7. key fobs
  8. key forward
  9. key forwards
  10. key frame
  11. key frames

Source and license

Adapted from Wiktionary: key fob (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-key fob.wav.

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