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insidious
UK
/ɪnˈsɪd.i.əs/
US
/ɪnˈsɪd.i.əs/
Translations
more insidious
Comp.
most insidious
Super.
UK
/ɪnˈsɪd.i.əs/
US
/ɪnˈsɪd.i.əs/
The insidious disease spread through the population undetected.
Коварная болезнь распространилась среди населения незамеченной.
Additional translations
Definitions
The insidious disease progressed without any noticeable symptoms at first.
The insidious plan was designed to undermine the company's leadership.