1.
importance, significance
The quality or state of being of great value or significance.
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)