Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Knowledgeable and difficult are semantically related. In some cases you can use "Knowledgeable" instead an adjective "Difficult".
Nearby Word: difficulty
Knowledgeable
Knowledgeable adjective - Having information especially as a result of study or experience.
Difficult and knowledgeable are semantically related. Sometimes you can use "Difficult" instead an adjective "Knowledgeable".
Nearby Word: knowledge
Both words in one sentence
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Fittingly, Adriane is a introverted but staunchly loyal, difficult to befriend, and knowledgeable about nature.
Source: Animal Motifs -
The Name of the Wind explains its magical naming system by drawing a line between the waking mind and the sleeping mind, with the sleeping mind being more powerful and more knowledgeable but difficult to access.
Source: 90% of Your Brain
Cite this Source
Knowledgeable and Difficult. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/difficult/knowledgeable
Difficult & Knowledgeable. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/difficult/knowledgeable>.
Knowledgeable or Difficult. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/difficult/knowledgeable.
Google Ngram Viewer shows how "difficult" and "knowledgeable" have occurred on timeline