Keywords: brightness, bright, brighten
Sign Definition
As a Noun
1. The condition of something being bright. English = brightness.
As a Verb or Adjective
1. Of a light, object, or place, to be shining strongly or to be full of light. English = (be) bright.
2. Of a light, object, or place, to become lighter, brighter, or more full of light. English = brighten.