na-adjective
compulsory; mandatory
Used as an adjectival noun (na-adjective) to describe something that is required or obligatory. Common in formal or institutional contexts.
この科目はコンパルソリーなので、必ず履修してください。
This subject is compulsory, so please be sure to register for it.
noun
Figure skating term for a required element or pattern. Used as a noun.
フィギュアスケートのコンパルソリーは、かつて競技の重要な部分だった。
Compulsory figures were once an important part of figure skating competitions.