1. the quality of being mild and pleasant in temperature; gentle warmth
2. the state of being crazy or foolish
Usage: informal; chiefly British

Examples

• The balminess of the spring evening made it perfect for a walk.
• We enjoyed the balminess of the tropical climate during our vacation.
• The sudden balminess after weeks of cold weather lifted everyone’s spirits.
• His friends questioned the balminess of his decision to quit his job without notice.
• The balminess of the air suggested that winter was finally ending.
• She attributed his strange behavior to complete balminess.