Word
swift
US/ˈswɪft/
UK/swˈɪft/
Definitions
01fast or quick
B2 · Upper Intermediate Literary
adj. moving or happening very quickly.
adj. characterised by great speed, velocity, or rapidity of action.
日本語:速い※
“The company took swift action to fix the problem before customers complained.”
“The government's swift response to the economic crisis prevented a total collapse of the banking sector during the winter months.”
02programming language
C1 · Advanced Uncountable noun Computing Technical
n. a modern computer language created by Apple for making apps.
n. a general-purpose, multi-paradigm compiled programming language developed by Apple Inc. for iOS, macOS, and other platforms.
“He decided to learn Swift so he could build his own iPhone apps.”
“The developer migrated the legacy codebase to Swift to take advantage of its superior memory safety and performance features.”
Real-World Examples
“He believes the government's response hasn't been swift enough.” “Five years on, there are no simple or swift solutions.” Word family
ADJECTIVE
ADVERB
Domains
- 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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper Intermediate
- Updated
- アルファベット
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QR code
englishreference.com/q/swift
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「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0