上達|じょうたつjoutatsu[0]heiban (flat)

1. noun, suru verb, intransitive verbimprovement (e.g. in skill, ability); advance; progress
   君きみの英語えいごは上達じょうたつしている。↗

   Your English is improving.
2. noun, suru verb, transitive verb, intransitive verbcommunication of opinions of the general populace to those of high rank

• Synonym向上こうじょうNeutralBroader word for a rise in level or quality, as in 「生活水準の向上」; 「上達」 is limited to skills becoming more proficient.
• Synonym進歩しんぽNeutralForward development, typically of technology or society, as in 「科学の進歩」; it leans toward broad advancement, while 「上達」 is specifically a skill getting better.
• Synonym熟達じゅくたつWrittenWritten word for thorough mastery of an art or skill; it marks a higher level than 「上達」, which describes getting better along the way.
• Synonym進境しんきょうWrittenWritten/formal word for the degree of progress one is making; rare in modern Japanese.
• Related進展しんてんNeutralA situation or work moving ahead, as in 「交渉が進展する」; it says nothing about skill, so it cannot replace 「上達」 for ability.
• Related進捗しんちょくNeutralHow far work has got along, as in 「進捗状況」; carries a project-management flavor, about progress status rather than growing skill.
• RelatedかいぜんNeutralFixing what is bad to make it better, as in 「体質改善」; the point is correcting flaws, not gaining skill.
• Related改良かいりょうNeutralImproving products, breeds and other things, as in 「品種改良」; mainly for objects, not for a person's skill.
• Related増進ぞうしんNeutralBuilding up physical strength, appetite and the like, as in 「食欲増進」; centers on bodily capacities rather than technique.
• Related熟練じゅくれんNeutralBeing adept through long experience, as in 「熟練工」; a state already reached, while 「上達」 is the process of getting better.
• Related進みすすみNeutralThe pace at which something advances, as in 「工事の進み」; objective progress of work, not improvement of skill.
• Related伸びるのびるNeutralSaid of grades or ability growing, as in 「英語の力が伸びる」; more casual than 「上達」, and also means things stretching or lengthening.
• Antonym低下ていかNeutralAntonym: a level or standard dropping; the opposite of 「上達」.
• Antonym退歩たいほNeutralAntonym: going backward instead of improving; the direct opposite of 「上達」.

Use 「上達」 for a skill becoming more proficient. Pick 「向上」 for broader rises in level or quality, 「進歩」 for overall development. Work or situations advancing take 「進展」「進捗」「進み」; 「改善」 fixes flaws, 「改良」 improves things, 「増進」 builds bodily capacity. 「熟練」 is the attained state; written 「熟達」 is mastery beyond 「上達」; 「伸びる」 is a casual way to say ability grows. Opposites: 「退歩」「低下」.

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

1. 技能ぎのうが向上こうじょうすること。うまくなること。
2. 技能ぎのうが向上こうじょうする。うまくなる。