English Reference

Word

locking

Phoneticslock·ing

US/ˈɫɑkɪŋ/

UK/lˈɒkɪŋ/

Definitions

02restricting access to data

C1 · Computing

n. a way to stop two people from changing the same computer file at the same time.

n. the use of a lock or mutex to restrict access to a shared resource or section of code to a single process at a time.

“The database uses row-level locking to prevent errors when two users try to update the same record.”

“Improperly implemented locking can lead to deadlocks, where two competing threads are each waiting for the other to release a resource.”

Technical

Usage

Often used as an uncountable noun in the context of database management or multi-threaded programming.

03becoming fixed or stuck

B2

v. when parts of a machine or body get stuck and cannot move.

v. the state of becoming fixed, rigid, or immovable due to mechanical failure or physical restriction.

“He went to the doctor because he was experiencing painful locking in his knee joint.”

“The pilot reported a locking of the landing gear, necessitating an emergency descent and a manual override procedure.”

Synonyms

Antonyms

Real-World Examples

“He added: "Some of those habitats are really important at drawing down and locking away carbon." Follow BBC Guernsey on X , external and Facebook , external .”
BBC News · 26 Aug 2026
“Now it's an arms race between OEMs locking down chips and tuners trying to crack them.”
Ars Technica · 10 Jul 2026

Etymology

From lock + -ing.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domains

ComputingProgramming

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

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English Reference