This is the 2268th most frequent Russian word.
значительное
Significant; considerable.
The word 'значительное' is used here as an adjective describing the importance and impact of the achievement.
Это было значительное достижение для команды.
It was a significant achievement for the team.
Here, 'значительное' serves as an adjective, emphasizing the extent or magnitude of the improvement.
Мы отметили значительное улучшение в качестве продукта.
We noticed a substantial improvement in product quality.
In this sentence, 'значительное' highlights the remarkable nature and influence of the event.