significant adjective (IMPORTANT)
- Is there any significant difference in quality between these two items?
- Research in the field of genito-urinary medicine has led to significant health advances in the last decade.
- The institution of a Freedom of Information Act has had a significant effect.
- You have all invested significant amounts of time and energy in making this project the success that it is.
- Lotus make luxury cars for a small but significant niche market.
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