How to say "exhaust" in Japanese

• 尽くすつくすJLPT N1approx.Common
  godan verb, transitive verbCovers the 'use up / run out of' sense, often with effort, money, strength, or resources rather than a simple physical supply. Choose it when stressing that everything available was spent or given.
• 排気はいきCommon
  noun, suru verb, intransitive verbOnly the mechanical sense: exhaust as gas emitted from an engine, as in exhaust fumes or an exhaust system. It is never used for using up supplies or for tiring someone out.
• 使い切るつかいきるCommon
  godan verb, transitive verbCovers 'use up / exhaust' in the concrete sense of finishing an entire supply or stock of something. It is seldom the word for engine exhaust, which is 排気, and less about abstract effort than 尽くす.
  科学者かがくしゃの中なかには百ひゃく年ねん以内いないに世界せかいの石油せきゆ資源しげんを使い切つかいきるだろうと予言よげんする者ものもいる。↗

  Some scientists predict that the world oil reserves will be used up within a century.

Use 「尽くす」 or 「使い切る」 for exhausting or using up a supply (「尽くす」 often for effort or resources, 「使い切る」 for literally finishing what you have), and 排気 only for engine exhaust or emissions.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 尽くすつくすto use up
• 排気はいきexhaust
• 使い切るつかいきるto use up
• エキゾーストexhaust
• 尽かすつかすto use completely
• 疲らすつからすto tire
• 涸らすからすto dry up
• 掘り尽くすほりつくすto work out (a mine)