The phrase "opposing competition" is correct and usable in written English.
You can use it to refer to people or organizations that are in competition with each other. For example, "The two companies have been facing off in opposing competition for years."
In 2011, he warned the shadow cabinet against making a "huge strategic error of judgment" by opposing competition in the NHS.
Milburn's intervention echoed a 2011 speech in which he attacked members of the shadow cabinet for opposing competition in the NHS.
Alan Milburn, the Blairite former health secretary, has warned his party against making a "huge strategic error of judgement" by opposing competition in the NHS saying "it was depressing to hear Labour people defining themselves not against the government but the previous Labour government".
It's hard to oppose competition.
"Why would Nelson oppose competition in the marketplace and giving Nebraska families a choice in health care?
As has been shown before [ 13, 14, 27], kin selection opposes competition within kin groups.
The government will continue opposing holding competitions between the official sports teams of Spain and the combined sports of the colony of Gibraltar".
The American Institute of Architects was opposed to competition, citing that the terms of the competition were "calculated to only 'encourage favoritism and injustice' and that they in no way obligated the Capitol [Building] Commission to select the best design or the best architect".
Stock exchanges oppose that competition".
American steel producers who oppose cheaper competition from abroad are powerful political lobbyists.
Mr. Kressaty -- though his business is imperiled -- insisted that he was not opposed to competition.
