pernicious

UK /pəˈnɪʃəs/ US /pɚˈnɪʃəs/

adj 4

Collocations

ADJ.

all, illegal, most, pervasive

VERB + PERNICIOUS

warned

PERNICIOUS + NOUN

deviations, glossary, misinformation

PREP.

from, than

adj

Causing much harm in a subtle way.

pernicious influence

pernicious effects

Causing death or injury; deadly.

Insidiously villainous: intending to cause harm, especially in a subtle way.

adj

swift; celeritous.

adjective — working or spreading in a hidden and usually injurious way

adjective — exceedingly harmful

pernicious influence

Wiktionary

pernicious effects

Wiktionary

They warned of the pernicious effects of misinformation.

Wiktionary

Pervasive and pernicious deviations from both fact and logical validity lurked behind a meretricious plausibility.

Tatoeba · #2119619

I think that the romantic myth is one of the most pernicious of our times.

Tatoeba · #2217792

The essay itself isn't a problem, but all these pernicious questions and glossary make me awfully mad!

Tatoeba · #3495511

i Register

In some senses, pernicious is marked as obsolete. Watch for register when choosing this word.

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