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Insidious Meaning in English

word

ˌɪnˈsɪˌdiəs
in-SID-ee-uhs
ɪnsˈɪdɪəs
in-SID-ee-uhs

释义

Describes something harmful that spreads or develops gradually and secretly, making it hard to detect until it becomes dangerous.

用法与细微差别

Usually formal, often used to describe diseases, dangers, or problems that appear harmless but become serious over time. Common collocations: 'insidious disease', 'insidious effect'. Not the same as 'sneaky' or 'obvious'.

例句

Cancer can be an insidious disease.

basic

The effects of pollution can be insidious.

basic

The virus has an insidious way of spreading.

basic

Stress is insidious—you might not even notice it building up.

natural

It’s the insidious nature of cyber attacks that makes them so dangerous.

natural

What’s so insidious about the rumor is how it spread without anyone noticing.

natural