luminesce

verb luminesce

• pale — light-colored or lacking in color: a pale complexion; his pale face; a pale child. lacking the usual intensity of color due to fear, illness, stress, etc.: She looked pale and unwell when we visited her in the nursing home.
• darken — If something darkens or if a person or thing darkens it, it becomes darker.
• put out — a throw or cast, especially one made with a forward motion of the hand when raised close to the shoulder.
• dull — not sharp; blunt: a dull knife.
• depress — If someone or something depresses you, they make you feel sad and disappointed.