Erstwhile

/ˈɜːstwaɪl/advancedadjective/adverb

Resumes, plot twists, and reunion tours all need a polite word for who someone used to be on paper.

Learn This Word

Meaning

Former; in the past (adjective); formerly (adverb, archaic or literary).

Memory trick

ERST = old English "before" + WHILE (time) → erstwhile = from an earlier time.

Examples

1

Her erstwhile rival became her closest collaborator.

2

The erstwhile CEO returned as an advisor.

3

The café occupies an erstwhile bank building.

Synonyms

formerpreviousonetimeex-pastoldprior

Antonyms

currentpresentongoingfuturemodern

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

1

Use in bios: "The erstwhile engineer now leads product."

2

Use in news: "The erstwhile allies split over trade."

3

Don’t overuse: "former" is often clearer in casual speech.

Common Mistakes

Erstwhile means former, not "esteemed" or "eternal."

Erstwhile: Meaning, Memory Trick & Examples | WordFlippin