Multiple choice

Directions: Choose the word or phrase from the given options which is most similar in meaning to the keyword.

Insidious

  1. Treacherous

  2. Unfortunate

  3. Crowded

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Insidious means proceeding in a gradual, subtle way with harmful effects - treacherous or deceitful. Option A (Treacherous) correctly captures this sense of hidden danger. Unfortunate and Crowded miss the key element of deliberate, subtle harm.

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