Word.ws English Dictionary

futex

futex noun: a mechanism for basic locking, based on an atomic integer in userspace that may be operated upon from multiple processes or threads.

Noun

futex (plural futexes)

  1. A mechanism for basic locking, based on an atomic integer in userspace that may be operated upon from multiple processes or threads.

Forms of futex

pluralfutexes

Origin of futex

Contraction of fast + userspace + mutex; see mutex.

Questions about futex

What does futex mean?
Futex means a mechanism for basic locking, based on an atomic integer in userspace that may be operated upon from multiple processes or threads.
What part of speech is futex?
Futex is a noun.
What is the plural of futex?
The plural of futex is futexes.

Words near futex in the dictionary

  1. futchels
  2. Futcher
  3. futches
  4. fute
  5. futed
  6. futex
  7. futexes
  8. futhark
  9. futharks
  10. futhermore
  11. futhermucker

Source and license

Adapted from Wiktionary: futex (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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