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Pronunciation of 

insidious

view main entry for insidiousadjective  /ɪnˈsɪdiəs/
American English pronunciation: insidiousClick to listen to the pronunciation of insidious

derived words

insidiously

adverb

insidiousness

noun [uncountable]

protologism

a new word or phrase invented in the hope that it will become generally used

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Open Dictionary

garbage patch

a collection of debris, mostly consisting of plastic, which moves around in the sea …

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