1. A sudden vivid flash in the atmosphere, due to a discharge of electricity.

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

• lightenting,
• lightinging,
• liughting,
• ligning,
• elightning,
• lighning,
• lightng,
• lightiing,
• lighteneing,
• lightinig,
• lightining,
• hightening,
• litning,
• lihting,
• tightining,
• fightening,
• lightinh,
• rightening,
• tighning,
• listning

• lightning-bug,
• lighten,
• lightening,
• white-lightning,
• lightner,
• lightning-like,
• leadening,
• lighting,
• ladening,
• loadening,
• latening,
• lightning-swift,
• loudening,
• lightning-quick,
• litening,
• listening,
• lighting-up,
• light time,
• Lightning-glance,
• lightness,
• Leighton,
• listing,
• lightning-rod,
• lightning-fast,
• lighten up,
• light unit,
• heat-lightning,
• sheet-lightning,
• lightning-stroke.

The adjective form of the word "lightning" is "lightning". For example, "a lightning storm" or "a lightning strike".

The plural of the "lightning" can be the "lightnings".

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