Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Usage example: difficult questions on the exam that required analytical thinking
Stiff is a synonym for difficult in property topic. In some cases you can use "Stiff" instead an adjective "Difficult", when it comes to topics like hard to do.
Nearby Word: difficulty
Mutual synonyms
Both words in one sentence
- Some semi-auto pistols have stiff recoil springs which can make it difficult to rack the slide.
- Though it was pretty advanced for its time, the stiff, robotic character models and sparsely-detailed scenery make it a bit difficult to take the show seriously these days.
Source: All-CGI Cartoon - Tiny platforms in rooms full of Goddamned Bats, insane platform jumps with stiff controls, puzzles that flirt recklessly with Guide Dang It status, and downright sadistic traps take Platform Hell to a bone-crackingly difficult level that would make I Wanna Be the Guy jealous.
Source: Nintendo Hard / Platform Games
Cite this Source
Stiff and Difficult. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/difficult/stiff
Difficult & Stiff. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/difficult/stiff>.
Stiff or Difficult. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/difficult/stiff.
Google Ngram Viewer shows how "difficult" and "stiff" have occurred on timeline