1. The quality of being painful
   - painfulness

Type of: quality

• acidophilus
• acidophilus milk
• acidosis
• acidotic
• acidulate
• acidulent
• acidulous
• acidulousness
• aciduric
• acinar
• acinic
• Acinonyx
• Acinonyx jubatus
• Acinos
• Acinos arvensis
• acinose
• acinous
• acinus
• Acipenser
• Acipenser huso
• Acipenser transmontanus
• Acipenseridae
• ack-ack
• ack-ack gun
• ackee