Blacken
Blacken verb - To make dirty.
Make dark and blacken are semantically related. in darken topic. In some cases you can use "Make dark" instead a verb "Blacken", when it comes to topics like make black.
Make dark
Mutual synonyms
Cite this Source
Make dark and Blacken. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/blacken/make_dark
Blacken & Make dark. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/blacken/make_dark>.
Make dark or Blacken. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/blacken/make_dark.
Google Ngram Viewer shows how "blacken" and "make dark" have occurred on timeline