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roadblock

American  
[rohd-blok] / ˈroʊdˌblɒk /

noun

  1. an obstruction placed across a road, especially of barricades or police cars, for halting or hindering traffic, as to facilitate the capture of a pursued car or inspection for safety violations.

  2. an obstruction on a road, as a fallen tree or a pile of fallen rocks.

  3. a hastily built barricade, as of barbed wire, erected across a road to hold up the advance of an enemy.

  4. an action, condition, etc., that obstructs progress toward an objective.

    Nationalism is a roadblock to European unity.


verb (used with object)

  1. to halt or obstruct with or as if with a roadblock.

roadblock British  
/ ˈrəʊdˌblɒk /

noun

  1. a barrier set up across a road by the police or military, in order to stop a fugitive, inspect traffic, etc

  2. a difficulty or obstacle to progress

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of roadblock

First recorded in 1935–40; road + block

Explanation

A literal roadblock is a barricade or obstruction that's meant to block traffic. A figurative roadblock is any situation you encounter that makes it difficult or impossible to do what you want or need to do. When a driver encounters a roadblock, she has to stop and go back, or to take a detour and use a different route. This sort of roadblock might be set up to divert cars away from construction or an accident. Other roadblocks are obstructions to progress, like a lawsuit that halts construction on a building or the high cost of something: "The price of converting to a solar water heater was a roadblock to our plans."

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The biggest roadblock for many people is the upfront acquisition costs, including down payments and inspections, he said.

From MarketWatch • Apr. 23, 2026

The need to directly overrule the unit, they said, made it a roadblock — one that no longer exists.

From Salon • Apr. 14, 2026

The $40 level—which acted as a significant roadblock since January 2024 with several rejections—should now see that former resistance turn into support.

From Barron's • Apr. 3, 2026

That strategy hit a roadblock in federal court, as a succession of rulings invalidated his attempt to revive the policy under different laws.

From The Wall Street Journal • Feb. 24, 2026

But as I went around a blind comer I drove straight into what I had been trying to avoid: a roadblock.

From "Long Walk to Freedom" by Nelson Mandela