worstpart

noun
UK /ˈwɜːst pɑːt/
US /ˈwɜːrst pɑːrt/

The worst part is the hardest or saddest thing about something.

The worst part of the storm was losing power for two days.


OTHER MEANINGS

2. The most difficult moment of an experience.

The worst part of the race was the last hill.

3. The most unpleasant feature of something.

The worst part of the movie was the loud music.

4. The most disappointing thing in a situation.

The worst part was that nobody told me about the change.