The phrase "achieve a significant" is correct and usable in written English.
It can be used when discussing accomplishments or milestones that have considerable importance or impact.
Example: "The team worked tirelessly to achieve a significant breakthrough in renewable energy technology."
Alternatives: "attain a major" or "reach a notable".
Economists estimate that the nation needs to add about 250,000 jobs a month to achieve a significant drop in the unemployment rate.
Dorsey, a candidate for the Heisman Trophy, did not have one of his sharper games, though he did achieve a significant milestone.
The Guardian judges felt that Teccura demonstrated a "fantastic example of how to achieve a significant impact with a good idea".
The MDG target had been to "achieve a significant improvement" in the lives of at least 100 million slum-dwellers by 2020.
More investment is now being made into renewable electricity but this is still too insignificant on its own to achieve a significant reduction in all energy-related emissions.
There may be development pathways that can achieve a significant increase in hydropower while maintaining a fairly healthy fishery.
"The purchase price exceeded the opinions of value received from multiple brokerage firms and allowed Highland to achieve a significant return on our investment".
Although most companies have shed workers since privatisation, only a quarter of privatised companies have restructured enough to achieve a significant impact on sales and output.
SAN FRANCISCO, March 28 — Intel said Wednesday that it was on track or even ahead of schedule in developing a new generation of chips that would achieve a significant increase in performance without consuming more power.
Most need to achieve a significant success in order to affect their outlook on life.
The form accuracy of one freeform surface is proved to achieve a significant improvement finally.
