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insidious
UK
/ɪnˈsɪd.i.əs/
US
/ɪnˈsɪd.i.əs/
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Explain the meaning and negative connotation of “insidious” in “The insidious disease spread through the population undetected.”
Compare “insidious” with “sneaky,” “subtle,” and “dangerous”—when is each word more appropriate?
Show how “insidious” is used for problems or influences that cause harm gradually and without being noticed.
Give five B2-level examples with “insidious” and Russian translations.
Teach me common collocations with “insidious,” such as “insidious disease” and “insidious influence.”
Explain where “insidious” goes in a sentence and how it differs from the adverb “insidiously.”
Give me a short practice task: describe an insidious problem and explain how it could go unnoticed.
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