Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Harmful and difficult are semantically related. In some cases you can use "Harmful" instead an adjective "Difficult".
Nearby Word: difficulty
Both words in one sentence
- The real kicker is that the least harmful weapon to imitate, and most difficult to duplicate — the nunchuck — is removed, while swords, knives, and staffs are allowed to stay.
- These are considered harmful as it makes it very difficult to determine what the number represents, or if it's supposed to be used elsewhere in the program.
Source: Science Destroys Magic - Using their abilities requires difficult, exhaustive, or harmful effort to use.
Cite this Source
Harmful and Difficult. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/difficult/harmful
Difficult & Harmful. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/difficult/harmful>.
Harmful or Difficult. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/difficult/harmful.
Google Ngram Viewer shows how "difficult" and "harmful" have occurred on timeline