1.
importance, significance
The quality or state of being of great value or significance.
教育の重要性を理解する。
Understand the importance of education.
健康管理の重要性が高まっている。
The importance of health management is increasing.
重要性を認識する。
Recognize the importance.
重要性 is formed from 重要 (important) + 性 (nature/quality), creating an abstract noun meaning "importance" or "significance." The ~性 suffix works like English "-ness" or "-ity."
CONTRAST WITH 重要:
重要 is a na-adjective ("important"), while 重要性 is a noun ("importance"). Use 重要性 when discussing importance as a concept.
COMMON EXPRESSIONS:
- 重要性を認識する: to recognize the importance
- 重要性が増す: importance increases
- 重要性を強調する: to emphasize importance
- 重要性が高い: of great importance
REGISTER:
More formal than 重要. Common in academic writing, reports, and formal presentations.
Related Words
Related:
重要 (important)