stumbling block

noun

1. an obstacle or hindrance to progress, belief, or understanding.

   Synonyms: bar, block, impediment, barrier, hurdle

stumbling block

noun

1. any impediment or obstacle

Word History and Origins

Origin of stumbling block¹

First recorded in 1580–90

Idioms and Phrases

A hindrance or obstacle, as in His lack of a degree is a real stumbling block to his advancement. This term originally meant “a tree stump over which one trips.” Its figurative use dates from the early 1500s.

Example Sentences

Edmund King, president of the AA, said drivers "frequently tell us that the upfront costs of new EVs are a stumbling block to making the switch to electric".

From BBC

And until they find a solution, it will loom as one potential stumbling block to their pursuit of a second straight World Series.

From Los Angeles Times

This is one of Hamas's key demands and a stumbling block in the current negotiations.

From BBC

“That’s the largest stumbling block as to why I’m having a difficult time accepting this accolade.”

From Los Angeles Times

She made the squad for Euro 2022 but months after celebrating victory - often seen dancing with White during laps of honour - her career hit a stumbling block.

From BBC

Related Words

• barrier 
• complication 
• deterrent 
• difficulty 
• drawback 
• hindrance 
• hitch 
• hurdle 
• impediment 
• obstacle 
• setback 
• snag