¹ light noun

• the form of energy that makes it possible to see things : the brightness produced by the sun, by fire, by a lamp, etc. —sometimes used figuratively
• a source of light (such as an electric lamp)
• a light on a vehicle

² light adjective

• not dark or deep in color : pale
• having a lot of light : bright
• having the light of the day

³ light verb

• to provide light for (something)
• to cause (something) to burn
• to begin to burn

⁴ light adjective

• not heavy : having little weight or less than usual weight
• small in size and weight
• less in amount or degree than usual

⁵ light adverb