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Meaning of “insidious” in the English Dictionary

"insidious" in British English

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insidiousadjective

uk   /ɪnˈsɪd.i.əs/ us   /ɪnˈsɪd.i.əs/
insidiously
adverb uk   /ɪnˈsɪd.i.əs.li/ us   /ɪnˈsɪd.i.əs.li/
The disease begins insidiously and progresses relentlessly.
insidiousness
noun [U] uk   /ɪnˈsɪd.i.əs.nəs/ us   /ɪnˈsɪd.i.əs.nəs/
We must recognise the insidiousness of these racial stereotypes.
(Definition of insidious from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"insidious" in American English

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insidiousadjective

us   /ɪnˈsɪd·i·əs/
(of something unpleasant or dangerous) gradually and secretly causing harm: Cancer is an insidious disease.
insidiously
adverb us   /ɪnˈsɪd·i·əs·li/
His negative attitude slowly and insidiously spoiled the atmosphere around the office.
(Definition of insidious from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“insidious” in British English

“insidious” in American English

Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
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May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

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