1. The quality of lacking any predictable order or plan
   - randomness, haphazardness, noise

Type of: irregularity, unregularity

• Anas penelope
• Anas platyrhynchos
• Anas querquedula
• Anas rubripes
• Anasa
• Anasa tristis
• anasarca
• anasarcous
• Anasazi
• anaspid
• Anaspida
• anastalsis
• Anastatica
• Anastatica hierochuntica
• anastigmat
• anastigmatic
• anastigmatic lens
• anastomose
• anastomosis
• anastomotic
• anastomotic vein
• Anastomus
• anastrophe
• anastylosis
• anathema