偉大

1. Origins, structure, and basic meaning

• Structure: 偉大 is read as いだい and is an adjectival noun meaning great or remarkable in achievement, character, or influence.
• Basic usage: Noun modification appears in 偉大な成果, while the quality itself appears in 先人の偉大さ.

2. Common pitfalls and similar expressions

• な and さ
  • Use 偉大な before a noun and 偉大さ when naming the quality of greatness itself.
• Difference from 大きい
  • 大きい broadly concerns size or degree; 偉大 highly evaluates the exceptional value of an achievement, person, or influence.