Erstwhile
Resumes, plot twists, and reunion tours all need a polite word for who someone used to be on paper.
Learn This WordMeaning
Former; in the past (adjective); formerly (adverb, archaic or literary).
Memory trick
ERST = old English "before" + WHILE (time) → erstwhile = from an earlier time.
Examples
Her erstwhile rival became her closest collaborator.
The erstwhile CEO returned as an advisor.
The café occupies an erstwhile bank building.
Synonyms
Antonyms
Etymology
From Middle English erst "first, before" + while "time."
Usage Notes
Literary or journalistic flavor. As adverb ("erstwhile he lived here") is rare today.
Real-life contexts
Use in bios: "The erstwhile engineer now leads product."
Use in news: "The erstwhile allies split over trade."
Don’t overuse: "former" is often clearer in casual speech.
Common Mistakes
Erstwhile means former, not "esteemed" or "eternal."
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Start LearningQuick Facts
Part of Speech
adjective/adverb
Difficulty
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