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pig iron
conceiver
evitable
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grey-headed
zuiderzee
acanthoscelides
vigilante
incur
creeping soft grass
mayhem
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insidiously
insidiously
/ɪnˈsɪdiəsli/
adverb
(
)
In a harmfully insidious manner
(
perniciously
,
insidiously
)
in a harmfully insidious manner
These drugs act insidiously
these drugs act insidiously
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