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insidious

/ɪnˈsɪdi.əs/adjective

Producing harm in a stealthy, often gradual, manner.

Example sentences

  • Hansel and Gretel were lured by the witch’s insidious gingerbread house.
  • The battle was lost due to the actions of insidious defectors.

Featured as word of the day on January 22, 2028.

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