Third-person singular simple present indicative form of roadblock.(verb)
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Use "roadblocks" in a sentence
"One of the biggest roadblocks is the 1933 Securities Act that was designed to protect "widows and orphans" from crooked securities dealers during the era's financial depression."
"I guess the trick with any of these roadblocks is to try to listen to your gut about these sorts of things and not the gnats buzzing in your ear."
"What I am afraid of, and has already happened to a point at airports and police roadblocks, is israel style gun carrying police state that fosters violence."