Definitions | insidious |
| adjective
- Producing serious harm in a stealthy, often gradual, manner.
- He was unaware that an cancer was consuming him.
- Intending to entrap.
- Hansel and Gretel were lured by the witch's gingerbread house.
- treacherous, Treacherous.
- The battle was lost due to the actions of defectors.
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