: in the past : formerly cultures, erstwhile unknown to each other— Robert Plank. erstwhile. adjective. Definition of erstwhile (Entry 2 of 2) : former, previous erstwhile enemies.

What does erstwhile mean in law?

adjective. Formerly; in the past. adverb. (literary, law) Former, previous.

How do you use erstwhile?

You use erstwhile to describe someone that used to be the type of person indicated, but no longer is. He ran away with an erstwhile friend of his wife's.