Intelligent
Intelligent adjective - Having or showing quickness of mind.
Light and intelligent are semantically related. In some cases you can use "Light" instead an adjective "Intelligent".
Light
Light adjective - Having little weight.
Intelligent and light are semantically related. Sometimes you can use "Intelligent" instead an adjective "Light".
Both words in one sentence
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So any light visible at night, or in a storm, is a sign of humans (or, in Speculative Fiction, any intelligent beings) and civilization.
Source: A Light in the Distance - Gen Ahmadi, a light blue Chieftain tank, comes off as this, being soft-spoken and intelligent.
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How does it feel to be one of only 7 billion confirmed intelligent beings in a universe at least 92 billion light years across?
Source: Humans Are Special
Cite this Source
Light and Intelligent. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/intelligent/light
Intelligent & Light. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/intelligent/light>.
Light or Intelligent. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/intelligent/light.
Google Ngram Viewer shows how "intelligent" and "light" have occurred on timeline