How to say "diplomacy" in Japanese

• 外交がいこうJLPT N3approx.Common
  nounThe direct equivalent for diplomacy between nations: relations and negotiations conducted by governments. Use it when 'diplomacy' refers to a country's foreign dealings rather than personal maneuvering.
  英語えいごは外交がいこうや観光かんこう事業じぎょうに有効ゆうこうである。↗

  English is useful in diplomacy and tourism.
• 駆け引きかけひきCommon
  noun, suru verb, intransitive verbCovers 'diplomacy' in the sense of tactical maneuvering: the back-and-forth of negotiations, each side trying to gain an edge. It is not the word for diplomacy between nations; use 外交 for that.
  外交がいこうの駆け引かけひきでは、とても彼かれには及およばない。↗

  I am no match for him in diplomatic shrewdness.

Use 外交 for diplomacy between nations — a country's foreign relations and negotiations — and 「駆け引き」 when 'diplomacy' means tactical maneuvering or give-and-take in dealings between people.

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

• 外交がいこうdiplomacy
• 外交術がいこうじゅつdiplomacy
• ディプロマシーdiplomacy
• 対外関係たいがいかんけいforeign relations
• 駆け引きかけひきtactics