obstacle

[ ob-stuh-kuhl ]

noun

1. something that obstructs or hinders progress.

   Antonyms: help

obstacle

/ ˈɒbstəkəl /

noun

1. a person or thing that opposes or hinders something
2. a fence or hedge used in showjumping

Word History and Origins

Origin of obstacle¹

First recorded in 1300–50; Middle English, from Old French, from Latin obstāculum, equivalent to obstā(re) “to face, block, hinder” ( ob- ob- + stāre stand ) + -culum -cle ²

Word History and Origins

Origin of obstacle¹

C14: via Old French from Latin obstāculum, from obstāre, from ob- against + stāre to stand

Synonym Study

Obstacle, obstruction, hindrance, impediment refer to something that interferes with or prevents action or progress. An obstacle is something, material or nonmaterial, that stands in the way of literal or figurative progress: Lack of imagination is an obstacle to one's advancement. An obstruction is something that more or less completely blocks a passage: A blood clot is an obstruction to the circulation. A hindrance keeps back by interfering and delaying: Interruptions are a hindrance to one's work. An impediment interferes with proper functioning: an impediment in one's speech.

Example Sentences

Due to the pressure needed to push water through membranes, high energy demand is a considerable obstacle to desalination and ZLD.

From Science Daily

Still, Liu notes, “In China, policy is one thing, practice is another. There have been a lot of obstacles.”

From Science Magazine

Certain picks have proven contentious and may face obstacles.

From BBC

The shortcomings of "Dune: Prophecy" are akin to the obstacles typical of most Herbert adaptations — sprawl is the mind-killer, not fear.

From Salon

Then there are obstacles of the self-imposed variety, including Trump’s choice to head the EPA: former Rep. Lee Zeldin of New York, whose main qualification seems to be loyalty.

From Los Angeles Times

Related Words

• barrier
• difficulty
• disincentive
• hardship
• hindrance
• hitch
• hurdle
• impediment
• interference
• obstruction
• restriction
• snag
• stumbling block