| europium(noun, element) | |
| fermium(noun, element) | |
| fiery(adjective, bright) | |
| flaring(adjective, bright) | |
| flashing(adjective, bright) | |
| fluorescent(adjective, bright) | |
| francium(noun, element) | |
| fume(noun, gas) | |
| gadolinium(noun, element) | |
| gallium(noun, element) | |
| garish(adjective, bright) | |
| germanium(noun, element) | |
| glaring(adjective, bright) | |
| gleaming(adjective, bright) | |
| glinting(adjective, bright) | |
| glistening(adjective, bright) | |
| glittering(adjective, bright) | |
| glowing(adjective, bright) | |
| glowing sign | |
| gold(noun, element) |
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| APA | Smart Define. (2015). neon thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/neon/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "neon thesaurus" https://smartdefine.org/neon/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, neon thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/neon/thesaurus/synonyms>. |
| MLA | Smart Define. "neon thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/neon/thesaurus/synonyms> |