The phrase "a definitive update" is correct and usable in written English.
You can use it when referring to a clear and final piece of information or news regarding a particular subject or situation.
Example: "We are expecting a definitive update on the project timeline by the end of the week."
Alternatives: "a conclusive update" or "a final update".
For something that's all of that, but also actually more authentic than anything that could be imagined, comes a definitive updating by eight bassoonists and one contrabassoon of the Goldberg Variations from Detmold's audiophile label, Musikproduktion Dabringhaus und Grimm (MDG).
Kidney was able to deliver a more definitive update on loosehead prop Cian Healy, who had to be helped from the pitch in the 51st minute.
Still, we must continue to wait for the definitive update to A. J. P. Taylor.
David Silva was forced off during Spain's win over Luxembourg in October Pellegrini added Kompany was likely to be out "two weeks more" with his calf injury while there was still no definitive update on Silva's ankle problem.
Spoelstra said Bosh would go through his "normal work" at the Heat's light practice session Saturday, but offered no definitive update other than to say, "I'm not thinking about Chris today".
It updates the previous IGRF generation with a definitive main field model for epoch 2010.0, a main field model for epoch 2015.0, and a linear annual predictive secular variation model for 2015.0-2020.0.
UPDATE: A Republican source notes that Standard & Poors has not actually taken a definitive position on any proposal in the debt ceiling debate but, rather, has stressed the need for the U.S. to pursue a broader debt reduction strategy.
This thoroughly updated edition of The Scheme Programming Language provides an introduction to Scheme and a definitive reference for standard Scheme, presented in a clear and concise manner.
While there is no Peabody Award yet for podcasts, there is a definitive brass ring, in the guise of Podcast Alley's Top 100, which are voted on and updated hourly at podcastalley.com.com
Most particularly, the continuous updating allowed by an online environment should ensure that the Encyclopedia of Global Archaeology is a definitive reference work for archaeology and archaeologists.
