Sky
Sky noun - The expanse of air surrounding the earth.
Ultramarine and sky are semantically related. In some cases you can use "Ultramarine" instead an adjective "Sky".
Ultramarine
Ultramarine adjective - Of a brilliant pure blue to purplish blue color.
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Synonyms for Ultramarine
Sky and ultramarine are semantically related. Sometimes you can use "Sky" instead an adjective "Ultramarine".
Cite this Source
Ultramarine and Sky. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/sky/ultramarine
Sky & Ultramarine. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/sky/ultramarine>.
Ultramarine or Sky. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/sky/ultramarine.
Google Ngram Viewer shows how "sky" and "ultramarine" have occurred on timeline