Clueless
Clueless adjective - Not informed about or aware of something.
Usage example: television producers who seem utterly clueless about the concerns and interests of today's teenagers
Knowledgeable is an antonym for clueless.
Nearby Word: clue
Knowledgeable
Knowledgeable adjective - Having information especially as a result of study or experience.
Clueless is an antonym for knowledgeable.
Nearby Word: knowledge
Both words in one sentence
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Since they've spent centuries or more on the island, they're very knowledgeable about it, but totally clueless about everything off it.
Source: Literature / Fragment
Cite this Source
Knowledgeable and Clueless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/clueless/knowledgeable
Clueless & Knowledgeable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/clueless/knowledgeable>.
Knowledgeable or Clueless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/clueless/knowledgeable.
Google Ngram Viewer shows how "clueless" and "knowledgeable" have occurred on timeline