Yellower is a comparative form of the adjective yellow, which means having a bright and vivid hue resembling that of the sun or a ripe lemon. When we need to express the same meaning in different ways, we can use synonyms for the word yellower, such as more golden, brighter, sunnier, richer, more vibrant, more intense, more ochre, more saffron, more lemon, more mustard, and more citron. These synonyms convey the idea of something that is becoming increasingly yellow or is more intense in color. Using synonyms can make our writing more varied and engaging, helping us to convey our ideas more effectively.