The pernicious weed has spread all through the flower bed.
In the war on terrorism and the role on HIV, the UN's role is equally pernicious.
The last two had a pernicious effect on Cuba, draining it of horses, money and of men.
He had pernicious anemia at age 49 years.
The grandmother put up with the pernicious nonsense.
This woman exercised a most pernicious influence over him.
This tendency to destroy organic matter makes the repeated application of lime a pernicious practice, especially on land which contains little humus to begin with.
Even when it came to be authorized by Roman law under certain restrictions, it was still looked upon as a pernicious crime.
The good he did was limited to the spheres of public works and police; in other respects his rule was a pernicious influence for Cuba.
Aliens are granted the civil rights enjoyed by Mexicans, but the government reserves the right to expel those guilty of pernicious conduct.
The commission reported favourably, selecting as a site Blair's original Port Cornwallis, but pointing out and avoiding the vicinity of a salt swamp which seemed to have been pernicious to the old colony.
Of the mortality due to malarial disease a small part only is referable to the direct attack of intermittent, and chiefly to the fever in its pernicious form.
Vigorous opposition was made by Liebig and Berzelius, the latter directing his attack against Dumas, whom he erroneously believed to be the author of what was, in his opinion, a pernicious theory.
He consistently contended for a sound financial system, and vigorously opposed the operations of the "Land Bank" and the issue of pernicious bills of credit.
These resolutions later acquired extraordinary and pernicious prominence in the historical elaboration of the states'-rights doctrine.
He felt it was pernicious doctrine.
She had pernicious anemia, in which vitamin B12 is not absorbed from the intestine.
There's one particularly pernicious piece of red tape that Kent County Council supports.
He was keenly alive to its pernicious influence on the cherished interest of his life, the cause of learning.
In the same way science fiction has developed rules, I find all rules very pernicious to writing.