American Dictionary

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Definition obstacle in American English

obstacle noun

[countable] noun
/ˈɑbstək(ə)l/

▪ chief, formidable, greatest, insuperable, insurmountable, main, major, serious

1

a difficulty or problem that prevents you from achieving something

Example

Tiredness was the biggest obstacle in the way of their attempt to rescue the climbers.

Example

All major obstacles to peace have now been removed.

Synonyms and related words
2

an object that you must remove or go around in order to move forward

Synonyms and related words
Definition obstacle in American English