This is the 11384th most frequent Russian word.
дипломатические
Diplomatic.
The word 'дипломатические' is used here as an adjective describing the type of relations, implying those pertaining to diplomacy.
Россия и Китай укрепляют дипломатические отношения.
Russia and China strengthen diplomatic relations.
In this sentence, 'дипломатические' refers to actions or decisions guided by diplomacy to address issues.
Дипломатические меры были предприняты для разрешения конфликта.
Diplomatic measures were taken to resolve the conflict.
Here, 'дипломатические' is used to describe personal abilities related to diplomacy, such as negotiation or tactfulness.