枯渇（こかつ、kokatsu）
- depletion

The Japanese word 枯渇, read as こかつ (kokatsu), means "exhaustion," "depletion," "running out," or "drying up." It signifies a state where something, usually a resource, is used up, diminished, or no longer available. This word emphasizes the complete or near-complete disappearance of something. The word conveys a sense of finality or an ending. The item, idea, or resource is no longer usable or accessible. ⚫︎ It can refer to physical resources like water or natural gas. ⚫︎ It can also refer to abstract concepts like funds or ideas. ⚫︎ The implication is often that the lack of this resource will cause problems or difficulties.

⚫︎ 資源の枯渇 Translation: The depletion of resources. ⚫︎ 資金が枯渇する Translation: Funds run out. ⚫︎ 創造力が枯渇した Translation: My creativity is exhausted.

You would use 枯渇 in situations where you want to describe the complete or near-complete depletion of something. ⚫︎ It's common in discussions about environmental issues (e.g., water resources の枯渇). ⚫︎ It's suitable for talking about financial difficulties (e.g., 資金の枯渇). ⚫︎ It can also be used in a figurative sense to describe something psychological, like one's mental energy (e.g., 疲れでエネルギーが枯渇した).

枯渇 is typically written in kanji as 枯渇. The reading is こかつ (kokatsu). It's possible, though less common, to write it in hiragana: こかつ. The okurigana is standard, with no variations.

⚫︎ 減少 (genshou) - decrease, reduction ⚫︎ 不足 (fusoku) - shortage, deficiency ⚫︎ 底をつく (soko o tsuku) - to run out of (lit. to hit the bottom) ⚫︎ なくなる (nakunaru) - to disappear, to be lost ⚫︎ 尽きる (tsukiru) - to be exhausted, to run out ⚫︎ 絶える (taeru) - to die out, to cease to exist

⚫︎ 豊富 (houfu) - abundance, plentifulness ⚫︎ 潤沢 (juntaku) - abundance, plentifulness (especially referring to financial resources) ⚫︎ 増加 (zouka) - increase ⚫︎ 供給 (kyoukyuu) - supply

地球温暖化により、水資源が枯渇する危険性がある。 ・Translation: There is a risk that water resources will be depleted due to global warming. ・Explanation: This sentence illustrates the use of 枯渇 in the context of an environmental problem, highlighting the depletion of a vital resource.

長年の研究によって、彼の集中力はついに枯渇した。 ・Translation: After years of research, his concentration finally gave out. ・Explanation: This sentence uses 枯渇 figuratively to describe the exhaustion of someone's mental capacity or focus.

The word 枯渇 is made up of two kanji: 枯 (kareru) and 渇 (katsu). ⚫︎ 枯 (kareru) means "to wither," "to dry up," or "to become barren," which suggests a loss of vitality. ⚫︎ 渇 (katsu) means "thirst" or "dryness," implying a lack of something essential. Combining these characters gives a visual image of a resource diminishing to the point of extinction or drying up.