Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Extreme and difficult are semantically related. In some cases you can use "Extreme" instead an adjective "Difficult".
Nearby Word: difficulty
Both words in one sentence
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The few known details revealed about the procedure show that it's even more extreme and difficult than the process used to create a Space Marine.
Source: Bio-Augmentation -
Called in on difficult and extreme cases, Bureau officers are equipped with Dominators, which allow the wielder to scan a target's Psycho-Pass and, if authorized, fire non-lethal or lethal rounds depending on the reading.
Source: Anime / Psycho-Pass - Somewhat difficult to find... Extreme Warfare Deluxe: Coded entirely from scratch instead of using the code from the previous version.
Cite this Source
Extreme and Difficult. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/difficult/extreme
Difficult & Extreme. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/difficult/extreme>.
Extreme or Difficult. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/difficult/extreme.
Google Ngram Viewer shows how "difficult" and "extreme" have occurred on timeline