1.
necessity, need
The quality or state of being required or essential.
必要性 emphasizes the "nature" or "quality" of being necessary. More abstract and formal than 必要.
COMMON PATTERNS:
- 必要性がある: there is a need/necessity
- 必要性を感じる: to feel the necessity
- 必要性を認める: to acknowledge the necessity
- 必要性を訴える: to appeal for necessity
- 必要性を検討する: to examine the necessity
COMPARISON:
- 必要: necessary, need (common, practical)
- 必要性: necessity (abstract quality, formal)
REGISTER:
Common in academic, business, and policy discussions.
Related Words
Related:
必要 (necessary)