Meaning of “hurdle” - Learner’s Dictionary

hurdle

noun [ C ] uk us /ˈhɜːdl/
FENCE

a bar or fence that people or horses jump over in a race

PROBLEM

a problem or difficulty that you have to deal with in order to be able to make progress:

Getting a work permit was the first hurdle to overcome.

(Definition of “hurdle noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)