Light up
Light up verb - Make lighter or brighter.
Lighten is a synonym for light up in illuminate topic. In some cases you can use "Lighten" instead a verb "Light up", when it comes to topics like cheer, become bright, make light, make shine or glow. popular alternative
Lighten
Lighten verb - To become glad or hopeful.
Light up is a synonym for lighten in illuminate topic. You can use "Light up" instead a verb "Lighten", if it concerns topics such as brighten, make lighter. popular alternative
Mutual synonyms
Cite this Source
Lighten and Light up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/light_up/lighten
Light up & Lighten. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/light_up/lighten>.
Lighten or Light up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/light_up/lighten.
Google Ngram Viewer shows how "light up" and "lighten" have occurred on timeline