primaryhurdle
nounUK /ˈpraɪ.mə.ri ˈhɜː.dəl/
US /ˈpraɪ.mɛr.i ˈhɝː.dəl/
The first big problem you have to get past.
The primary hurdle was learning to ride a bike without training wheels.
RELATED WORDS
OTHER MEANINGS
2. The most important problem in a plan or race.
For the team, the primary hurdle was finding enough time to practice.
3. The first jump a runner must clear in a hurdle race.
She cleared the primary hurdle and kept running.
4. The main thing that slows progress toward a goal.
Money was the primary hurdle for the new playground.