1. That may not be returned
   "nonreturnable bottles cannot be exchanged for a deposit"; "sale merchandise is nonreturnable"

Antonym: returnable

• mammillary
• mammillary body
• mammillated
• mammock
• mammogram
• mammography
• mammon
• mammoth
• Mammoth Cave National Park
• mammothermography
• Mammut
• Mammut americanum
• Mammuthus
• Mammuthus columbi
• Mammuthus primigenius
• Mammutidae
• mammy
• mamo
• mamoncillo
• mampara
• man
• man and wife
• man Friday
• man hour
• man in the street