悪魔（あくま、akuma）
- devil

The Japanese word 悪魔, read as あくま (akuma), primarily means "devil," "demon," or "evil spirit." It refers to a supernatural being often associated with malevolence, temptation, and causing harm. The concept of 悪魔 in Japanese culture is often influenced by Western religious and mythological traditions, but it can also take on unique interpretations within the context of Japanese folklore and popular culture. 悪魔 is not simply a creature, but a being that embodies evil and opposes good, often by tempting or manipulating humans. The word can also be used metaphorically to describe a person or entity that behaves in an extremely cruel or malicious manner, or something that is incredibly difficult or challenging.

⚫︎ 悪魔が現れた。 Translation: A devil appeared. ⚫︎ 彼はまるで悪魔のように私を悩ませた。 Translation: He tormented me as if he were a devil. ⚫︎ この問題は悪魔のように難しい。 Translation: This problem is as difficult as a demon.

悪魔 is a versatile word, suitable for both formal and informal contexts, depending on the sentence structure and the specific nuance you want to convey. It is commonly used in discussions about mythology, religion, fantasy, and horror. It can also be used in more figurative senses. When speaking about specific devils or demons, you might use the word without any modifiers. In a metaphorical sense, the word is often used to describe someone who is exceptionally cruel, selfish, or causes significant problems.

The word 悪魔 is typically written in kanji 悪魔. The reading is あくま. It is not common to use katakana (アクマ) unless you are trying to give it a specific emphasis. The okurigana (the suffix hiragana) does not change. There are no other ways to write this word commonly.

⚫︎ 悪霊 (akuryou) - evil spirit, ghost ⚫︎ 鬼 (oni) - ogre, demon (often a more general term for monstrous beings in Japanese folklore) ⚫︎ 魔物 (mamono) - monster, demon, evil creature

⚫︎ 天使 (tenshi) - angel ⚫︎ 神 (kami) - god, deity ⚫︎ 善 (zen) - good, goodness

彼は《悪魔と契約したと噂されている。》 ・Translation: It is rumored that he made a pact with the devil. ・Explanation: This sentence uses 悪魔 to refer to a specific being, and implies a negative outcome or consequence of this contract.

その《悪魔のような難問を解くことができた。》 ・Translation: I was able to solve that devilish problem. ・Explanation: This sentence uses 悪魔 metaphorically, indicating that the problem was extremely difficult.

The word 悪魔 is a compound word. 悪 (aku) means "evil" or "bad," and 魔 (ma) means "demon," "devil," or "evil spirit." The combination of these two characters creates a word that directly embodies the concept of an evil supernatural being. The kanji were borrowed from Chinese, and the concept itself is derived from the Western religious influences that were incorporated into Japanese culture and literature, combined with pre-existing indigenous beliefs about evil spirits and malevolent forces.