Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Ominous and difficult are semantically related. In some cases you can use "Ominous" instead an adjective "Difficult".
Nearby Word: difficulty
Both words in one sentence
- An area obstacle (to be fair, an irritatingly difficult one) gets the ominous theme and boss description (Triassic Steamroller).
Source: Musical Spoiler
Cite this Source
Ominous and Difficult. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/difficult/ominous
Difficult & Ominous. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/difficult/ominous>.
Ominous or Difficult. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/difficult/ominous.
Google Ngram Viewer shows how "difficult" and "ominous" have occurred on timeline