Neon/ˈniːɑːn/ Definition 1 of 3Pro Tip 1/3Bright Advertising Neon is associated with eye-catching signage, especially for businesses open at night. The hotel's neon lights were visible from blocks away. Pro Tip 2/3Retro and Modern Neon evokes both nostalgia for the 20th century and a sleek, contemporary aesthetic. Retro diners often feature neon to create a vintage atmosphere. Pro Tip 3/3Artistic Expression Artists use neon due to its vibrant colors and the way it can shape light. The gallery featured an exhibit with intricate neon sculptures.