1. An apple green when ripe.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• greting,
• prening,
• greeing,
• creaning,
• garnening,
• greving,
• greenier,
• greeding,
• gleening,
• reuning,
• greeving,
• sreening,
• grewing,
• greetting,
• grining,
• rening,
• graoning,
• greiving,
• agreening,
• pretening

• graining,
• greenwing,
• grinning,
• greeting,
• greenish,
• creeping,
• greenman,
• Gremminger,
• Reining,
• Greasing,
• grieving,
• crowning,
• groaning,
• Grenon,
• greenan,
• gardening,
• green onion,
• grueling,
• grennan,
• screening,
• grooming.

The adjective form of the word "greening" is "green".

The plural of the "greening" can be the "greenings".

The singular of the "greening" can be the "greening".