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Insidious Adj Treacherous Stealthy Sly Column Works Secretly

Insidious refers to something treacherous, stealthy, or sly. It describes a danger or strategy that operates in a hidden and subtle way.

Insidioso se refiere a algo que es traicionero, sigiloso o sly. Describe un peligro o una estrategia que opera de manera oculta y sutil.

Word insidious
Part of Speech ADJ.
Definition treacherous; stealthy; sly.
Sentence The fifth column is insidious because it works secretly within our territory for our defeat.

Tags: psat

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