worstproblem

noun
UK /ˈwɜːst ˈprɒbləm/
US /ˈwɜːrst ˈprɑːbləm/

The worst problem is the biggest, baddest trouble of all.

Losing the key was the worstproblem of the whole trip.


OTHER MEANINGS

2. The hardest thing to fix in a game or puzzle.

The last level is the worstproblem in the game.

3. The most annoying part of someone's day.

Waking up early is his worstproblem on school days.

4. The biggest worry for a group of people.

Too much trash is the worstproblem for our town.