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nickel
loanword
scorned
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seriously
acriflavine
moon
obtuse
plait
uncountable
indefatigable
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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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