/ˌkɒnstɪˈtjuːʃənəl/ – adjective
Definition: thuộc hiến pháp, hợp hiến.
A more thorough explanation: The term “constitutional” refers to anything that is in accordance with or authorized by a constitution, which is the fundamental law of a country or state that establishes the framework for its government and defines the rights and duties of its citizens.
Example: The court ruled that the new law was not constitutional as it violated the rights guaranteed by the Constitution.