The phrase "imperative necessary" is not correct in standard written English.
It seems to be a redundancy, as "imperative" and "necessary" convey similar meanings of urgency or importance.
Example: "It is imperative necessary to complete the project by the deadline."
Alternatives: "absolutely necessary" or "critically important."
Young white voters backed Mr Obama in much higher numbers than older ones did.This March Haley Barbour, who has a record of racially insensitive remarks, said in an interview: "Slavery was the primary, central cause of secession…abolishing slavery was morally imperative and necessary, and it's regrettable that it took the civil war to do it.
Regulating network credit systems has become an imperative task necessary to guarantee a legitimate network environment without credit fraud. .
Baggini argues that atheism is a superior basis for ethics, claiming that a moral basis external to religious imperatives is necessary to evaluate the morality of the imperatives themselves to be able to discern, for example, that "thou shalt steal" is immoral even if one's religion instructs it and that atheists, therefore, have the advantage of being more inclined to make such evaluations.
When others abuse, it is intolerable; when we torture, it is a necessary imperative of the war on terrorism.
A revised and reinforced International Monetary Fund package is imperative if the necessary reforms are to be enacted.
For journalists like Glenn Greenwald (who has always worked independently) and Curt Guyette (recently honored by the Michigan Press Association as "Journalist of the Year") and Doug Forbes (who spent months researching and digging) it is their patience that became the necessary imperative that freed them to report.
Mr. Powell said the American military would still have the right to imprison Iraqis, though he said internment would be resorted to only "where this is necessary for imperative reasons of security".
Starting from their implications for natural resources, which are more and more limited and at risk, recognizing these dimensions remains an urgently imperative and precise responsibility necessary to guide the self-management of our immeasurable power (Jonas, 1974).
In order to promote the use of fuel cell vehicles, it is imperative to build the necessary facilities to support this need in the near future, including hydrogen refuelling stations powered by renewable power generation systems.
