Top Definition
One who designs or acts in a way that obstructs others, making it difficult or impossible to do what needs to be done. Frequently uses conflict of interest to obstruct others. Also known as an asshole or duh-weeb, and most likely proud of it.
When you have to drive six blocks just to go around the corner, it's a good sign that the engineer who planned the city's one-way streets was an obstructionist.

For more examples, see bureaucracy, committee mentality, legislator, attorney, and corporation.
by Downstrike November 24, 2004

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One who systematically impedes or interrupts progress.
Obstructionist Examples

The person blocking the middle of the shopping isle that does not realize your presence.

someone who attempts to impede passage of legislation by the use of delaying tactics.
by cookies plainview August 22, 2012

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

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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