good neighbor; friendly neighbor
Often used in formal, diplomatic, or literary contexts to describe amicable relations between neighboring countries or communities. The term carries a slightly elevated tone.
The two countries have built a good-neighborly and friendly relationship.
Promote good-neighbor diplomacy.
The two countries continue to cooperate based on a spirit of good neighborliness.
Building good-neighborly relations with the neighboring country is a diplomatic goal.
The government is pursuing a policy of good-neighbor diplomacy with nearby countries.
親善 refers to goodwill or friendly exchange (e.g. 親善試合, 親善大使) without the specifically geographic 'neighbor' sense that 善隣 carries.
敵対 describes hostility or opposition between parties, the opposite of the friendly, cooperative relations implied by 善隣.
Standard kanji spelling; used in formal and diplomatic contexts.
Compound of 善 (good) and 隣 (neighbor). The term is of Chinese origin and has been used in Japanese diplomatic and literary language.