Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Usage example: difficult questions on the exam that required analytical thinking
Severe is a synonym for difficult in harsh topic. In some cases you can use "Severe" instead an adjective "Difficult", when it comes to topics like heavy, ambitious, burdensome, laborious.
Nearby Word: difficulty
Mutual synonyms
Both words in one sentence
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Although these are not really difficult, they can be a stumbling block or severe irritation if you're not good at more action-y sequences.
Source: Unexpected Gameplay Change - Many visitors to Muslim countries find that getting booze can be quite difficult, expensive, or both, resulting in severe cutbacks to consumption or even total sobriety.
Source: Nailed To The Wagon -
It's somewhat difficult to judge due to the game having a rather severe case of Units Not to Scale.
Source: Faster-Than-Light Travel
Cite this Source
Severe and Difficult. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/difficult/severe
Difficult & Severe. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/difficult/severe>.
Severe or Difficult. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/difficult/severe.
Google Ngram Viewer shows how "difficult" and "severe" have occurred on timeline