- a whimsically eccentric person
- a pitch with reverse spin that curves toward the side of the plate from which it was thrown
- foolish; totally unsound;
- "a screwball proposal without a prayer of working"
Scrabble Score: 16screwball is a valid Scrabble (US) TWL word
screwball is a valid Scrabble Word in Merriam-Webster MW Dictionary
screwball is a valid Scrabble Word in International Collins CSW Dictionary
Words With Friends Score: 20screwball is a valid Words With Friends word