Definition of Pernicious

highly injurious or destructive

Examples of Pernicious in a sentence

The pernicious cycle of abuse within their family must be stopped.  🔊

Because she hates me, my neighbor is always spreading pernicious lies about me.  🔊

Jake’s pernicious behavior is going to put him in the hospital one of these days.  🔊

If you are going to behave in such a pernicious manner, I would prefer to not be around you.  🔊

Although Meredith does not believe her consumption of alcohol has reached a pernicious level, I believe she has a drinking problem.  🔊

Violence in the workplace is pernicious to an employee’s need for safety.  🔊

Lying can be pernicious to a relationship.  🔊

Because the chemicals you are using in the lab are pernicious, you should be very careful during your experiment.  🔊

Because of its high winds, the hurricane was quite pernicious to the small town.  🔊

The pernicious fire burned down most of the houses in our subdivision.  🔊

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