1. the quality or state of being barmy; foolishness or silliness
Usage: informal; chiefly British
2. the state of being frothy or foamy, especially in beer or yeast
Usage: technical; rare

Examples

• The barminess of his plan to sail across the ocean in a bathtub was obvious to everyone.
• She laughed at the sheer barminess of the comedy sketch.
• His barminess made him the life of the party, though nobody took him seriously.
• The barminess of the scheme became clear once they tried to execute it.
• I can't believe the barminess of that idea—it will never work.