obstruction
n. C / U B2 Upper Intermediate US //əbˈstɹəkʃən// UK //ɒbstɹˈʌkʃən// ob·struc·tion
n. something that blocks a path, road, or opening. You use this word when an object or person stops movement or progress.
n. an object, person, or condition that blocks a passage, opening, or process. Often used in legal, medical, and traffic contexts.
The fallen tree is a major obstruction on the road.
Heavy traffic caused a long obstruction on the highway this morning.
The sudden obstruction of the artery required immediate medical intervention to restore blood flow and prevent tissue damage.
From Latin obstructio (“hindrance”), from obstruo (“build against, block, stop”).