10
ultraviolet radiation(noun, expression, idiom, ray, sunlight)
9
UV(noun, ray, sunlight, actinic radiation)
8
ultraviolet illumination(noun, expression, idiom, ray, sunlight)
8
ultraviolet light(noun, expression, idiom, ray, sunlight)
3
invisible
3
obscure
2
imperceptible
2
indiscernible
2
infrared
1
inconspicuous
1
unseeable
0
violet
0
actinic radiation(expression, idiom)
0
actinic ray(expression, idiom)
0
electromagnetic(adjective, infrared)
0
fluorescent
0
gallant
0
halogen
0
imperial
0
inappreciable
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APASmart Define. (2013). ultraviolet thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ultraviolet/thesaurus/synonyms
ChicagoSmart Define. 2013. "ultraviolet thesaurus" https://smartdefine.org/ultraviolet/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, ultraviolet thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ultraviolet/thesaurus/synonyms>.
MLASmart Define. "ultraviolet thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/ultraviolet/thesaurus/synonyms>