Word
locked
US/ˈɫɑkt/
UK/lˈɒkt/
Definitions
01secured with a key
A2 · Elementary
adj. fastened with a lock so that it cannot be opened without a key or code.
adj. secured by a mechanical or electronic locking mechanism to prevent unauthorised entry or opening.
“She tried the handle, but the front door was locked tight.”
“The investigators found the safe locked, suggesting that the thief had either been interrupted or possessed the necessary combination.”
02fixed or unchangeable
B1 · Intermediate
adj. fixed in one position or unable to be changed.
adj. firmly fixed in a specific position or state; often used for prices, gears, or physical joints.
“The two companies agreed on a locked price for the next three years.”
“With the wheels locked in a sideways skid, the driver had little hope of regaining control before the vehicle reached the soft verge.”
03computing/digital access
B2 · Upper Intermediate Computing Technical
adj. protected so that only one person or program can use it at a time.
adj. restricted by a mutex, token, or password to prevent simultaneous access or modification of data.
“I cannot edit the spreadsheet because the file is currently locked by another user.”
“The database record remains locked until the transaction is either committed or rolled back, ensuring data integrity across the network.”
Synonyms
Antonyms
04very drunk
C1 · Advanced Informal · Dialect
adj. extremely drunk from drinking too much alcohol.
adj. a state of extreme intoxication.
“He had way too many pints and ended up completely locked.”
“After the wedding reception, half the guests were absolutely locked and had to be poured into taxis.”
Teaching tip
This sense is primarily used in Irish English; learners should use 'drunk' or 'intoxicated' in formal or international contexts.
Antonyms
Collocations
Common phrases and expressions where native English speakers use the word “locked” in context.
Etymology
* (drunk): Perhaps from airlocked.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
ADJECTIVE
Idioms
01. locked up
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
- Frequency
- Common
- Level
- B1 · Intermediate
- Updated
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QR code
englishreference.com/q/locked