Brainless
Clueless
Clueless adjective - Not informed about or aware of something.
Brainless and clueless are semantically related in unsophisticated topic. Sometimes you can use "Brainless" instead an adjective "Clueless".
Nearby Word: clue
Mutual synonyms
Both words in one sentence
- The overwhelming majority of the time, the brainless detective is clueless to Claw's plan, spending most of his time bumbling or accusing the wrong guy while Penny and Brain do all the work for him.
Source: The Load / Western Animation - Took a Level in Dumbass: Will's mother has always had her clueless side but in this film she's drifted into outright Brainless Beauty territory.
Source: Film / The Inbetweeners 2
Cite this Source
Clueless and Brainless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/brainless/clueless
Brainless & Clueless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/brainless/clueless>.
Clueless or Brainless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/brainless/clueless.
Google Ngram Viewer shows how "brainless" and "clueless" have occurred on timeline