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Insidious
Hidden Harm![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
Use 'insidious' for problems that worsen without obvious symptoms. ![Slide](https://word-images.cdn-wordup.com/tips/mEmVXdHg67XTDeVg3xsYz0GNCU.webp)
Slow Progression![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
Describes something harmful developing gradually, which may be difficult to detect initially. ![Slide](https://word-images.cdn-wordup.com/tips/wtGHUuTUkyuQAfr1WKwCbS4BGxE.webp)
Cultural Nuance![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
'Insidious' is often used to describe sly tactics or conspiracies in movies and literature. ![Slide](https://word-images.cdn-wordup.com/tips/MoAtEtJFgJmahjQW58lVHQwsfM.webp)