International as an adjective is used to describe entities that are of, relating to, or involving several nations. It is often used to refer to organizations, trade, institutions, events, groups of people, and more.
rules and use cases associated with international as an adjective include the lack of article preceding the word (e.g. international relations) and the capitalization of the word when referring to a specific entity (i.e. International Court of Justice).
1. International relations between countries can present a challenge.
2. The international price of oil is always fluctuating.
3. The International Court of Justice helps maintain peace.
When used as an adjective, it is important to remember to lowercase the word when referring to general concepts as opposed to specific entities. It is also important to make sure that the word is preceded by the appropriate noun (for example, you would say international trade, not trade international).