Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Killing and difficult are semantically related in hellish topic. In some cases you can use "Killing" instead an adjective "Difficult". informal substitute
Nearby Word: difficulty
Killing
Killing adjective - Requiring much time, effort, or careful attention.
Usage example: a killing schedule that requires the touring company to play in a different city every night
Difficult and killing are semantically related in tiring topic. Sometimes you can use "Difficult" instead an adjective "Killing".
Both words in one sentence
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The most difficult thing about killing is not the killing itself, but being okay with doing it.
Source: Useful Notes / The Holocaust - The game initially had all incentive and no recourse for player killing, leading to a very hostile world that made starting out extremely difficult.
Source: Player Killing -
Sometimes you'll feel compelled to sneak past them even if it's difficult, or just neutralize instead of killing them.
Cite this Source
Killing and Difficult. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/difficult/killing
Difficult & Killing. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/difficult/killing>.
Killing or Difficult. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/difficult/killing.
Google Ngram Viewer shows how "difficult" and "killing" have occurred on timeline