Word
erstwhile
Phoneticserst·while, stress on the first syllable
US/ˈɝstˌwaɪɫ/
UK/ˈɜːstwaɪl/
Definition
adj. something that was true or existed in the past but is no longer the case. You use this to describe a person or thing that has changed over time.
adj. former or previous; relating to a past state or condition that has since changed. Often used to describe a person's former status or a place that has undergone significant transformation.
Examples
“The erstwhile friend is now a stranger.”
“The erstwhile leader of the party has since retired from public life and lives in a quiet village.”
“The erstwhile industrial powerhouse, once a symbol of national pride, now stands as a derelict reminder of a bygone era of economic prosperity.”
Examples
simple
“The erstwhile friend is now a stranger.”
contextual
“The erstwhile leader of the party has since retired from public life and lives in a quiet village.”
complex
“The erstwhile industrial powerhouse, once a symbol of national pride, now stands as a derelict reminder of a bygone era of economic prosperity.”
Real-World Examples
“Protesters would demonstrate outside government offices, including the erstwhile Planning Commission and the agriculture ministry, where they were often detained by police, before returning to Jantar Mantar to "gather, discuss and strategise".” “It is not lost on Badenoch’s team that this time last year, it was a matter of when, not if, Jenrick, her erstwhile leadership rival, would try to oust her.” Etymology
From erst (“first, formerly”) + while.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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englishreference.com/q/erstwhile