obstacle

US /ˈɑbstəkəl/

UK /ˈɒbstəkl/

B1
n. (c./u.)Noun (Countable/Uncountable)Object that blocks a path or course
Mark's biggest obstacle was his own laziness
n. (c./u.)Noun (Countable/Uncountable)A difficulty or challenge that hinders progress.
Lack of funding is a significant obstacle to the project's success.
n. (c./u.)Noun (Countable/Uncountable)Something that impedes or stands in the way of mental or emotional progress.
His own fear was the biggest obstacle he had to overcome.

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