The phrase "a vicious round" is correct and usable in written English.
It can be used to describe a cycle or series of events that are harmful or destructive, often repeating in a negative manner.
Example: "The community found itself trapped in a vicious round of poverty and crime, with no clear way to break free."
Alternatives: "a vicious cycle" or "a harmful loop".
Local officials responded with a vicious round of beatings.
A vicious "round robin", written by Lewis and signed by the four artists, was printed and circulated in October 1913.
The Sunni terrorists' demolition of the golden-domed Shia shrine at Samarra in 2006 set off a vicious round of sectarian "cleansing" that left tens of thousands dead.
What should have been a marvelous moment of celebration turned instead into a vicious round of corporate infighting and sub-rosa backbiting.
It is Kenya's singular tragedy that the leaders who came to power in 1963 with broad national support then set off on a vicious round of infighting along ethnic lines and soon fell out bitterly.
Warsi's departure also prompted a vicious round of briefing against her by some Tories, condemning her variously as egotistical, incompetent, a Hamas sympathiser and motivated by pique at her failure to be promoted in the last reshuffle.
Linares was now cut, over his left eye, but this did not prevent him clumping Crolla with a vicious round-house to his temple.
Many of the shapes are round to suggest "a vicious cycle, that it's never enough," Ms. Franco said, adding, "People are never satisfied".
At the end of such a vicious circle single naked epidermal cells round up and leave the epithelium as observed especially in gho mutant larvae.
Fuel is imported at great expense, leaving year-round residents in a vicious cycle of sorts: The more money they spend on conventional energy, the less there is to find alternative sources.
The debate during the campaign reflected the national debate over spending and closed with an often vicious round of robo-calls, fliers and accusations.
