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teeth
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various
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cheekiness
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condemnation
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high spirits
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amex
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- Hide translation
insidiously
insidiously /ɪnˈsɪdiəsli/
adverb
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(
)
In a harmfully insidious manner
(
perniciously
, insidiously
)
in a harmfully insidious manner
These drugs act insidiously
these drugs act insidiously