Top Definition
previous, no longer there
Our erstwhile friend died Friday. He used to be your friend, but he died.
by Dessicator April 28, 2003

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"Former," "previous," "ex-"

Erstwhile works a lot like "ex," except it's an adjective instead of a prefix, much more formal and a little old-fashioned. Not everyone knows what it means. Lots of people slip it into sentences because it sounds fancy and makes them feel like they're from the 1890s.
My erstwhile and estimable business partner will be joining us for lunch."

"Wait, you guys aren't working together anymore?"

"What? No, we still are."

"Then why'd you say 'erstwhile'?"

"Because he went to Harvard, man! It doesn't get more erstwhile than that!"

"That's not what that word means, dude."

"Don't say 'dude.' It'll make you sound uneducated."
by DRF December 16, 2013

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See dicktator
by HottStuff6969 February 15, 2003

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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See dictator
All erstwhiles should be deposed from their abused positions of power.
by Joe Cool February 15, 2003

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt