Lackluster
Lackluster adjective - Lacking brilliance or vitality.
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Synonyms for Lackluster
Rayless and lackluster are semantically related. In some cases you can use "Rayless" instead an adjective "Lackluster".
Rayless
Rayless adjective - Being without light or without much light.
Usage example: the strange creatures that lurk in the rayless depths of the sea
Lackluster and rayless are semantically related. Sometimes you can use "Lackluster" instead an adjective "Rayless".
Mutual synonyms
Cite this Source
Rayless and Lackluster. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/lackluster/rayless
Lackluster & Rayless. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/lackluster/rayless>.
Rayless or Lackluster. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/lackluster/rayless.
Google Ngram Viewer shows how "lackluster" and "rayless" have occurred on timeline