na-adjective
unambiguous; unequivocal; having a single meaning
Describes a statement, expression, or interpretation that allows only one clear meaning, leaving no room for ambiguity.
この条文は一義的で、解釈の余地がない。
This clause is unambiguous and leaves no room for interpretation.
na-adjective
Used to indicate the foremost or most fundamental aspect of something, often in contrast to secondary or subordinate elements.
この問題では、安全性が一義的な関心事だ。
In this issue, safety is the primary concern.