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Pernicious Meaning in English

word

pɝˈnɪʃəs
per-NISH-us
pɜːnˈɪʃəs
puh-NISH-us

Definición

Causing great harm, damage, or death, especially in a gradual or subtle way; extremely harmful.

Uso & Matices

Rather formal or academic; common in medical, legal, or policy discussions ('pernicious effects', 'pernicious influence'). Implies slow, hidden damage rather than immediate obvious harm. Not used for minor problems.

Oraciones de Ejemplo

The pernicious smoke from factories can harm people's health.

basic

Some viruses have a pernicious effect on the human body.

basic

The pernicious rumors caused a lot of trouble.

basic

Unchecked stress can have a pernicious impact on mental health over time.

natural

There's a pernicious myth that success comes without hard work.

natural

Social media can spread pernicious ideas very quickly.

natural