Definition of "special relationship" in Englisch

Noun

1. A political and diplomatic relationship between two countries that is particularly close and is considered to be based on deep historical and ideological ties rather than merely common interests; especially: The relationship between the United States and the United Kingdom since World War II. The relationship between the United States and Israel since the 1960s.

2. The relationship between the United States and the United Kingdom since World War II.

3. The relationship between the United States and Israel since the 1960s.

4. Used other than figuratively or idiomatically: see special,‎ relationship.