Describing something that is essential for the existence or functioning of a system, concept, or situation, indicating that without it, the whole may fail or not be viable.
Referring to a crucial component or requirement that is necessary for achieving a particular objective or outcome.
Highlighting the significance of a factor that plays a vital role in ensuring success or stability in various contexts.
Example:
自由こそ不可欠なものだ。
Something that is so important that it cannot be overlooked or omitted in a particular context or situation.
A quality or element that is essential for the proper functioning or achievement of a goal, making it impossible to do without.
Referring to a component that is not only required but also plays a crucial role in determining the effectiveness or success of an action or process.
An aspect that is fundamentally necessary, often implying that its absence would lead to significant negative consequences.
Example:
水は生命に必要不可欠です。