Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Hard to understand and difficult are semantically related In some cases you can use "Hard to understand" instead an adjective "Difficult".
Nearby Word: difficulty
Hard to understand
Difficult and hard to understand are semantically related in abstract topic. You can use "Difficult" instead an adjective phrase "Hard to understand".
Mutual synonyms
Related pairs
- abstract and difficult
- abstract and hard to understand
- complex and difficult
- complex and hard to understand
- deep and difficult
- deep and hard to understand
- heavy and difficult
- heavy and hard to understand
- profound and difficult
- profound and hard to understand
- hard and difficult
- hard and hard to understand
- tough and difficult
- tough and hard to understand
Both terms in one sentence
- Avoid acronyms, as they are hard to understand and difficult to remember.
Source: Administrivia / Naming a Trope - They are universally stereotyped as The Unintelligible, as their dialect is very hard to understand (foreigners should think of Russian with even more difficult consonants).note So yes, they speak Arabic...in Russian.
Source: National Stereo Types / Africa - They looked like stereotypically devils (which caused the plan to let them meet some Earth Kids for evoking sympathy gloriously backfire), but were shown trying hard to understand Humans (which was difficult due to a very different way their brains worked) and resolve the crisis diplomatically.
Source: Dark Is Not Evil / Literature
Cite this Source
Hard to understand and Difficult. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/difficult/hard_to_understand
Difficult & Hard to understand. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/difficult/hard_to_understand>.
Hard to understand or Difficult. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/difficult/hard_to_understand.
