1. Process of changing to an inferior state
   - deterioration, declension, worsening

Type of: decline, diminution

• bay scallop
• Bay State
• Bay Stater
• bay tree
• bay willow
• bay window
• bay wreath
• bay-leaved caper
• bay-rum tree
• baya
• Bayard
• bayat
• bayberry
• bayberry tallow
• bayberry wax
• Baycol
• Bayer
• Bayes
• Bayes' postulate
• Bayes' theorem
• Bayesian
• Baykal
• bayonet
• Bayonne
• Bayonne Bridge