• Lying in wait; watching an opportunity to insnare or
    entrap; deceitful; sly; treacherous; -- said of persons; as, the
    insidious foe.


    Insidious meaning & definition 1 of Insidious.


  • Proceeding in a gradual, subtle way, but with very harmful effects.

    Insidious meaning & definition 2 of Insidious.


  • [Insidious] (adverb insidiously)

    developing in a very gradual, in a [stealthy] manner, with the [intend] of causing damage.

    Insidious meaning & definition 3 of Insidious.


  • A [scary] [film]

    Insidious meaning & definition 4 of Insidious.


  • [The Devils] [coochie]/vagina. Can also be used as an adjective to describe the temperature of the surrounding [climate].

    Insidious meaning & definition 5 of Insidious.


  • (of something unpleasant or dangerous) gradually and secretly causing harm:

    Insidious meaning & definition 6 of Insidious.

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