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insidious

[ɪnˈsɪdiəs]

📖 Definition

adj. spreading gradually or without being noticed, but causing serious harm

AI-generated image for SAT word insidious

🖼️ Picture This

Seeds scattering from a dandelion across a wide field

💬 Example Sentence

Social media helped insidious the message to millions within hours.

🎵 Music Connection

"Toxic" by Britney Spears

Toxicity works in insidious ways — gradually harmful beneath an attractive surface.

📝 Word Roots & Related

sid, sedsit assiduous adj. dissident n. ⻅ residue n. sedentary adj.

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