This is the 10141st most frequent Japanese word.
重大
Serious; important; significant.
重大な結果 (serious consequences) - In this sentence, '重大' describes the seriousness or importance of the consequences resulting from the mistake.
彼のミスは重大な結果を引き起こしました。
His mistake resulted in serious consequences.
重大な課題 (significant challenge) - Here, '重大' emphasizes the significance or importance of the challenge posed by the issue.
彼女が抱える問題は彼らにとって重大な課題となった。
The issue she is facing became a significant challenge for them.
非常に重大 (extremely important) - In this sentence, '重大' is used to express the high importance or relevance of the meeting's theme.