"hurdles" in the noun sense
1. hurdle
a light movable barrier that competitors must leap over in certain races
2. hurdle
an obstacle that you are expected to overcome
"the last hurdle before graduation"
3. vault, hurdle
the act of jumping over an obstacle
"hurdles" in the verb sense
1. hurdle
jump a hurdle
Source: WordNet® (An amazing lexical database of English)
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