Pronunciation: /ˈɝstˌhwaɪl/
adjective former or previous
A1 My erstwhile best friend moved away last year.
A2 I miss my erstwhile job at the bakery.
B1 The company decided to rehire their erstwhile CEO.
B2 The erstwhile champion was defeated in the final match.
C1 The erstwhile allies are now bitter enemies.
C2 The erstwhile king abdicated the throne in favor of his son.
adverb formerly or previously
A1 He was my erstwhile best friend.
A2 She visited her erstwhile hometown for the first time in years.
B1 The company's erstwhile CEO was replaced after a scandal.
B2 The erstwhile champion was defeated in the final round.
C1 The erstwhile undisputed leader of the industry has faced tough competition in recent years.
C2 Despite his erstwhile success, he now struggles to maintain his reputation.
formal The erstwhile CEO of the company has now taken on a new role as chairman of the board.
informal I bumped into my erstwhile best friend at the grocery store yesterday.
slang I heard that the erstwhile couple is back together again.
figurative The ruins of the erstwhile castle still stand as a reminder of its former glory.
erstwhiled
erstwhiles
more erstwhile
most erstwhile
is erstwhile
will be erstwhile
has been erstwhile
is being erstwhile
erstwhile
erstwhile
to erstwhile
erstwhiling
erstwhiled