139 entries under noun topic. ×
| spectrum(colour, color, tone, spectrum) | |
| dream(desire, fancy, idea, impression) | |
| illusion(desire, fancy, informal, idea) | |
| fantasy(desire, fancy, confusion, informal) | |
| variegation(arch, spectrum, iridescence) | |
| iris(colour, tone, spectrum) | |
| mirage(desire, fancy, confusion, deception) | |
| aura(energy, field, emanation) | |
| iridescence(colour, tone, spectrum) | |
| color spectrum(expression, colour, tone, arch) | |
| gradation(colour, tone, spectrum) | |
| light(colour, tone, spectrum) | |
| nimbus(aura, halo, aureole) | |
| impression(fancy, idea, deception, vision) | |
| optical illusion(expression, confusion, deception, impression) | |
| chameleon(terrain, reptile, lizard) | |
| hallucination(desire, fancy, confusion, idea) | |
| air castle(expression, desire, fancy, hope) | |
| band of color(expression, idiom, colour, tone) | |
| beam(gleam, glare, glitter) |
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| APA | Smart Define. (2016). rainbow thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rainbow/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rainbow thesaurus" https://smartdefine.org/rainbow/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, rainbow thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rainbow/thesaurus/synonyms>. |
| MLA | Smart Define. "rainbow thesaurus" 25 February 2016. Web. 25 September 2026. <https://smartdefine.org/rainbow/thesaurus/synonyms> |