Multiple choice

Directions: Choose the option which is not the synonym of the word in question:

radical

  1. thorough

  2. luminance

  3. complete

  4. total
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

'Luminance' refers to brightness or the intensity of light, which is unrelated to radical or complete change. 'Radical' as an adjective means thorough, complete, or fundamental. Options A (thorough), C (complete), and D (total) all mean comprehensive or fundamental. Luminance is a technical term about light.

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