Multiple choice Directions: Choose the option that correctly defines the word given in bold. Fade Sharpen Dull Improve Upgrade Reveal answer Fill a bubble to check yourself B Correct answer Explanation Fade means to gradually lose color, brightness, or visibility. To 'dull' means to make less sharp, bright, or vivid - which is what happens when something fades. The other options (sharpen, improve, upgrade) are antonyms, not synonyms.