Top Definition
UpStart (uhp-stahrt) n. 1. A company or organization with innovative approaches to energy use, carbon pollution, resource consumption, and/or social equity, 2. A company or organization overcoming market barriers to build the new clean energy economy.

Coined by Lisbeth Kaufman as the title of a column on Climate Progress.
“UpStarts” are companies that are shaking up the market, breaking down barriers and helping change the economy.
by UpStarter June 03, 2011

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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

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The Urban Dictionary T-Shirt

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an event, undertaking, or item that seems promising but turns out to be nothing like what you imagined.
Our relationship was an upstart, she seemed really great at the beginning but it turned out she was boring and lame.
by finnegan October 17, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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
An enthusiastic gay male.
John was such an upstart at the protest.
by Caitlin Carlisle May 30, 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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