greatest difficulty

noun phrase
UK /ˈɡreɪtɪst ˈdɪfɪkəlti/
US /ˈɡreɪtɪst ˈdɪfɪkəlti/

The hardest part of something.

The greatest difficulty was climbing the last hill.


OTHER MEANINGS

2. The most serious problem in a situation.

The greatest difficulty in the plan was the lack of money.

3. The time when something is hardest to do.

She faced her greatest difficulty during the final test.

4. The biggest thing that stands in the way.

The greatest difficulty for the team was the bad weather.