[ ob-stuh-kuhl ]
/ ˈɒb stə kəl /
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See synonyms for: obstacle / obstacles on Thesaurus.com

Definition of obstacle

something that obstructs or hinders progress.
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Origin of obstacle

First recorded in 1300–50; Middle English, from Old French, from Latin obstāculum, equivalent to obstā(re) “to face, block, hinder” (ob-ob- + stārestand) + -culum-cle2

synonym study for obstacle

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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use obstacle in a sentence

British Dictionary definitions for obstacle

/ (ˈɒbstəkəl) /

a person or thing that opposes or hinders something
British a fence or hedge used in showjumping

Word Origin for obstacle

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