In a sentence
Six example sentences with pernicious, each labelled with its topic.
The vine looks harmless in a garden, but its pernicious spread has smothered entire river valleys in the southeast.
Environment
Decades of pernicious inflation wiped out the savings of a generation and left pensioners buying bread with sacks of notes.
Economics
The flaw was pernicious precisely because it corrupted backups silently for months before anyone noticed a single missing file.
Technology
The most pernicious habit is comparing yourself to strangers online, since the comparison never ends.
Psychology
A pernicious rumor about the water supply spread faster than the council's correction and emptied three schools.
Politics
The fee looked tiny, but its pernicious effect over thirty years took a quarter of the pension.
Finance
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Found in these word lists
Found in 9 published word listsRecognized
Each source is a published word list that contains pernicious. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.