This is the 7963rd most frequent Japanese word.
大いなる
"大いなる" means "great" or "grand."
In this sentence, "大いなる" is used to describe the profound significance or ambitious nature of the man's dream.
彼は大いなる夢を追い続けている。
He continues to pursue his great dream.
Here, "大いなる" conveys the majestic and overwhelming qualities of nature's power.
大いなる自然の力を感じることができた。
I was able to feel the great power of nature.
In this case, "大いなる" illustrates the substantial and impactful progress made in science.