noun
marginal
Used as a noun in Japanese, often in economic, statistical, or sociological contexts to refer to something at the margin or borderline. Can also appear in compound terms like マージナルマン (marginal man).
この分析ではマージナルなケースを考慮する必要がある。
In this analysis, we need to consider marginal cases.
限界 is a native Japanese word meaning 'limit' or 'boundary', while マージナル is a loanword specifically used in technical or academic contexts to describe something at the margin.
Loanword from English 'marginal'.