The phrase "already decisive" is correct and usable in written English.
It can be used to describe a situation or outcome that has been determined or settled before a certain point in time.
Example: "The committee's vote was already decisive, leaving no room for further debate on the issue."
Alternatives: "already conclusive" or "already determined".
Despite tentative plans for a joint German-Japanese approach against the USSR which were slowly maturing and regardless of the 1936 Anti Comintern Pact, the years 1938 and 1939 were already decisive for Japan's decision to finally expand south, instead of north.
His already decisive influence — on Picasso and Matisse, among others — became an avalanche.
His already decisive influence on Picasso and Matisse, among others became an avalanche.
"Of course they cannot be stopped," exclaimed Tuchel, when asked whether Bayern's historic seven-point lead after only eight games was already decisive for the championship.
After already decisive wins in New Hampshire, Nevada, and South Carolina, Donald Trump has been declared the winner of the Republican primaries in the states of Massachusetts, Vermont, Virginia, Alabama, Georgia, Tennessee, Arkansas, Kentucky, and Louisiana.
With the United States and some smaller countries out already, the decisive vote lays with Russia.So what is Russia up to?
Montenegro has already taken decisive steps to separate itself from Serbia, including adopting the euro as legal tender.
"Against a weak economic environment and a recent period of lower gross win margins, we have already announced decisive cost actions which together with further savings recently identified will leave Ladbrokes well positioned when the upturn comes".
Faced with the Lib Dems and Labour all backing greater tax powers than those they fought for in 2009 (and now being implemented), and faced by an already tight, decisive race for the future of the UK (one which could define Cameron's legacy), the Tories are now embracing even greater tax powers than Labour.
Mr. Putin's aides say the president has already taken decisive action to curb Russia's regional governors, some of whom are known to bully business, obstruct economic changes and block liquidations of money-losing factories that should be shut to save costs.
If two of the three temperature sensors report a temperature beyond a set threshold, the system will shutdown the system, because the voting will already be decisive.
