"unimpeded use" is a correct and usable phrase in written English.
It means the unrestricted or unobstructed use of something. Example: The company's employees were given unimpeded use of the company's gym facilities to promote a healthy lifestyle.
At best, ranchers who want unimpeded use of their land have been known to keep the presence of an endangered species as quiet as possible.
Egypt, offering the greatest threat to Israel, responded by establishing full diplomatic relations and honoring Israeli rights, including unimpeded use of the Suez canal.
Instead, Kukla, the director of the Patrick Henry Memorial Foundation, recounts the colorful story of the long and complicated struggles in the 1780's and 90's for unimpeded use of the river and its southernmost port.
(Unvexed, an unfamiliar synonym for "untroubled, unimpeded" used by the poets Shakespeare, Donne and Dryden, shows the Illinois lawyer's literary bent).
In his dissent, Justice Stephen Breyer argued soundly that whatever right gun owners have to unimpeded gun use is outweighed by the District of Columbia's "compelling" public-safety interests.
Left unimpeded, nature used to produce periodic wildfires which purged undergrowth while sparing most trees.
The Way is unimpeded harmony and use of it can never be full".
Given that SDRs were not detected in the crosses between two elite cultivars and the elite × egusi type, the introgression of novel, economically important alleles from exotic watermelon germplasm into elite modern cultivars should be relatively unimpeded by the use of elite × egusi type crosses during watermelon improvement.
So basically what the FBI director is proposing is that we lower everyone's security for the applications that are popular with hundreds of millions of people – even if terrorists will still be able to use encryption unimpeded.
Most of the world's major waterways have been diverted or dammed or otherwise manipulated — in the United States, only two per cent of rivers run unimpeded — and people now use half the world's readily accessible freshwater runoff.
El Chapo and the Mexican drug cartels use the border unimpeded like it was a vacuum cleaner, sucking drugs and death right into the U.S. The joke around town is that I freed El Chapo from the Mexican prison because the timing was so good w/ my statements on border security.
