obstacle
obs·tacle
noun
1.
something immaterial that stands in the way and must be circumvented or surmounted
- “lack of imagination is an obstacle to one”
- “;”
- “;”
2.
an obstruction that stands in the way (and must be removed or surmounted or circumvented)
Origin
From Middle English obstacle, from Old French obstacle, from Latin obstāculum.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.