友好|ゆうこうyuukou[0]heiban (flat)

1. nounfriendship

• Synonym親交しんこうNeutralClose personal association, as in 「親交が深い」. 「友好」 leans toward relations between groups and nations rather than individuals.
• Synonym修好しゅうこうWrittenDiplomatic term for nations establishing friendly ties, as in 「修好条約」. 「友好」 is the broader word.
• Synonym友誼ゆうぎWrittenWritten/formal prose for the bond between friends; in everyday speech use 「友情」 or 「友好」.
• Synonym親善しんぜんNeutralPromoting goodwill between nations or groups, as in 「親善大使」. Close to 「友好」 but stresses exchange activities.
• Synonym友情ゆうじょうNeutralFriendship between individuals. 「友好」 usually refers to relations between nations or groups.
• Synonym交誼こうぎWrittenWritten/formal prose for the goodwill of a relationship, seen mostly in letters. 「友好」 typically describes friendly relations between nations or organizations.
• SynonymフレンドシップNeutralRare loanword seen mostly in event names; say 「友好」 or 「友情」 in everyday language.
• Related付き合いつきあいNeutralEveryday association and socializing, mostly on a personal level. 「友好」 leans toward groups and nations.
• Related仲良しなかよしCasualColloquial for good friends or being on close terms. 「友好」 leans toward groups and nations.
• Related人付き合いひとづきあいNeutralDealing and getting along with people, as in 「人付き合いが苦手」. 「友好」 describes harmony between two sides, mostly nations or groups but also individuals.
• Related交際こうさいNeutralPersonal association, including romantic dating. 「友好」 leans toward groups and nations.
• Related親密しんみつNeutralCloseness of a relationship, as in 「親密な関係」. 「友好」 leans toward nations and groups.
• Related懇親こんしんNeutralWarm mingling to deepen ties, seen mostly in 「懇親会」. 「友好」 is the broader word.
• Related交遊こうゆうWrittenWritten/formal prose for socializing and mixing with others; in daily speech say 「付き合い」.
• Related交わりまじわりWrittenWritten/formal prose for association; can also mean sexual intercourse. In daily speech say 「付き合い」.
• Related馴染みなじみCasualColloquial: familiarity — a regular haunt or an old acquaintance, as in 「幼馴染み」. 「友好」 is mutual harmony, mainly between groups or nations but also individuals.
• Related昵懇じっこんWrittenWritten/formal prose for being very close with deep ties; in daily speech say 「親しい」.
• RelatedよしみWrittenWritten/formal prose for a bond or tie between people, often in 「同「同郷のよしみ」. 「友好」 leans toward groups.
• Related交情こうじょうWrittenWritten/formal prose for the affection born of association; in daily speech say 「付き合い」.
• Related別懇べっこんWrittenRare written/formal word for an especially close relationship; in daily speech say 「親しい」.
• Related友交ゆうこうWrittenRare written/formal word for friendly association between friends; in daily speech say 「付き合い」.
• Antonym敵対てきたいNeutralThe relational opposite of 「友好」: hostility, treating the other side as an enemy.
• Antonym対立たいりつNeutralThe relational opposite of 「友好」: opposing sides refusing to yield to each other.
• Antonym反目はんもくNeutralThe relational opposite of 「友好」: bad blood, with each side glaring at the other.

「友好」 is the default for friendly relations between nations and organizations. For personal friendship say 「友情」; for goodwill built through international exchange, 「親善」; for close personal ties, 「親交」; for everyday socializing, 「付き合い」. The written words like 「交誼」 and 「修好」 are formal alternatives, and the opposites are 「敵対」 and 「対立」.

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

1. 相手あいてを友ともとして好このみ、親したしくすること。