1. The act of adding something in excess or something extraneous; also, something which is added in excess or extraneously

Derived forms: superadditions

• group therapy
• grouped
• grouper
• groupie
• grouping
• groupthink
• Zoroastrianism
• zoster
• Zostera
• Zostera marina
• Zosteraceae
• Zouave
• zouk
• zounds
• Zovirax
• zoysia
• Zoysia japonica
• Zoysia matrella
• Zoysia tenuifolia
• Zr
• Zsigmondy
• Zu
• Zubird
• zucchetto
• zucchini