A neon sign is a bright, colorful and eye-catching sign that shines brightly in the night sky. Synonyms for neon sign include electro luminescent sign, backlit marquee, illuminated billboard, lighted advertising display, and electric sign. Each of these alternatives provides unique descriptions of a bright sign that signifies a business or location. Some other synonymous phrases may include illuminated signage, glowing storefront, lit-up marquee, and luminescent advertising. All of these variations describe the same beautiful and captivating sign that captures the attention of passersby and draws customers into a business.