The term "decentralized group" is correct and usable in written English.
You can use it when referring to any kind of group with no centralized authority, such as a large and diverse network of independent organizations. For example: "The decentralized group of non-profit organizations worked together to provide aid to victims of the natural disaster."
The International Olympic Committee is a decentralized group, ceding control over different sports to various international federations, such as AIBA.
But the officials cautioned that individual Al Qaeda operatives and their associates in the decentralized group might still be able to launch smaller terrorist attacks.
But that underlying scientific platform — most importantly, the ability to sequence and map DNA — was almost entirely developed by a decentralized group of academic scientists working outside the commercial sector in the 1960s and '70s.
Rather than being invented all at once "in a fit of inspiration by a single king, general, philosopher or court wizard," the game we know today was "the result of years of tinkering by a large, decentralized group, a slow achievement of collective intelligence".
"When you have a decentralized group," Ms. Granick said, "the question is, Are there big fish, and are any of these people big fish?" The charge of "intentional damage to a protected computer" is punishable by a maximum of 10 years in prison and a $250,000 fine, while conspiracy carries a maximum penalty of five years in prison and a $250,000 fine.
The loose, decentralized group known as Anonymous does not have a traditional chain of command.
Space was frequently decentralized; groups were seldom symmetrical.
From his post in Central Command, McMaster pushed for a more imaginative and coherent response to an insurgency that he believed was made up of highly decentralized groups with different agendas making short-term alliances of convenience.
"Close Doesn't Always Count in Winning Games" (March 7), by Benedict Carey, offers quite a paradoxical view: that selfishly decentralized groups are more resilient than a cohesive bunch because they are "better able to weather outside criticism and internal quarrels".
The large-scale, systematic study we present here provides extensive evidence that social media may help decentralized groups coordinate online to organize protests offline.
Opponents and proponents of foreign arms shipments to the rebels agree on the same set of intractable problems, mainly that the armed opposition is decentralized, with groups of army defectors and volunteers largely fending for themselves to obtain weapons.
