Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Usage example: difficult questions on the exam that required analytical thinking
Uphill is a synonym for difficult in hard topic. In some cases you can use "Uphill" instead an adjective "Difficult", when it comes to topics like easy, hard to do. popular alternative
Nearby Word: difficulty
Uphill
Uphill adjective - Requiring considerable physical or mental effort.
Usage example: an uphill battle to eradicate poverty in an area of the state that has never known anything else
Mutual synonyms
Both words in one sentence
- As his bus is an old model, the vehicle has to be pushed uphill in the more difficult parts of the road.
Source: Film / The Bus -
If a zone wasn't turned off when a team reached it, a load of gunge would be spewed down on to them from the ceiling, making progress difficult at best, and if it happened to be on an uphill ramp, hilariously impossible.
Source: Covered in Gunge
Cite this Source
Uphill and Difficult. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/difficult/uphill
Difficult & Uphill. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/difficult/uphill>.
Uphill or Difficult. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/difficult/uphill.
Google Ngram Viewer shows how "difficult" and "uphill" have occurred on timeline