偉大(いだい)

いだい
na-adjective/noun
great, grand, magnificent
1. great, magnificent
Of outstanding importance, achievement, or ability.
偉大(いだい)な科学者(かがくしゃ)だ。
He is a great scientist.
偉大(いだい)な業績(ぎょうせき)を残(のこ)した。
He left behind great achievements.
歴史(れきし)に残(のこ)る偉大(いだい)な発明(はつめい)だ。
It is a great invention that will go down in history.
2. greatness
The quality of being great or distinguished.
彼(かれ)の偉大(いだい)さを感(かん)じた。
I felt his greatness.
自然(しぜん)の偉大(いだい)さに圧倒(あっとう)された。
I was overwhelmed by the greatness of nature.
この作品(さくひん)を見(み)ると、芸術家(げいじゅつか)の偉大(いだい)さがよく分(わ)かる。
Looking at this work, you can really appreciate the artist's greatness.

偉大(いだい) describes outstanding greatness in achievement, character, or scale. Used for historical figures, remarkable accomplishments, and the grandeur of nature.

FORMS:

  • Na-adjective: 偉大(いだい)な発明(はつめい) (a great invention)
  • Noun: 偉大(いだい)さを感(かん)じる (to feel the greatness)

COMMON COLLOCATIONS:

  • 偉大(いだい)な人物(じんぶつ): great person/figure
  • 偉大(いだい)な功績(こうせき) / 業績(ぎょうせき): great achievement
  • 偉大(いだい)な指導者(しどうしゃ): great leader
  • 偉大(いだい)な自然(しぜん): the grandeur of nature

SIMILAR WORDS:

  • 偉(えら)い: great, admirable (casual, also means "of high rank")
  • 偉大(いだい): great, magnificent (formal, literary)
  • 立派(りっぱ): splendid, admirable (more everyday)

REGISTER:
Formal and somewhat literary. Used in speeches, written text, and when discussing achievements with gravity.

Related Words

Synonym: 偉(えら)い (great (casual))
Synonym: 立派(りっぱ) (splendid)
general
Added 2026.1.9 21:15 · Revised 2026.4.5 16:10
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