Brightest

adjective

1. Visually dazzling; luminous, lucent, clear, radiant; not dark.

   "Could you please dim the light? It's far too bright."

2. Having a clear, quick intellect; intelligent.

   "He's very bright. He was able to solve the problem without my help."

3. Vivid, colourful, brilliant.

   "The orange and blue walls of the sitting room were much brighter than the dull grey walls of the kitchen."

4. Happy, in good spirits.

   "I woke up today feeling so bright that I decided to have a little dance."

5. Sparkling with wit; lively; vivacious; cheerful.