Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Usage example: difficult questions on the exam that required analytical thinking
Testing and difficult are semantically related. In some cases you can use "Testing" instead an adjective "Difficult".
Nearby Word: difficulty
Mutual synonyms
Both words in one sentence
- Word of God is that the game was originally conceived as only allowing you ONE life to complete the game, yet play testing revealed that it made the game difficult.
Source: Check Point Starvation -
The difficulty of establishing communications between our species has made the testing of this hypothesis difficult.
Source: Sapient Cetaceans - In the Portal 2 Perpetual Testing Initiative DLC, Cave Johnson realizes that it's very difficult to discern who is the original Cave, and who's from an Alternate Universe.
Source: Trust Password
Cite this Source
Testing and Difficult. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/difficult/testing
Difficult & Testing. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/difficult/testing>.
Testing or Difficult. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/difficult/testing.
Google Ngram Viewer shows how "difficult" and "testing" have occurred on timeline