Black
Black adjective - Having the color of soot or coal.
Frightening and black are semantically related. In some cases you can use "Frightening" instead an adjective "Black".
Frightening
Frightening adjective - Causing fear.
Black and frightening are semantically related. Sometimes you can use "Black" instead an adjective "Frightening".
Mutual synonyms
Both words in one sentence
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Despite laughing at the cheesy, oversaturated graphics and frightening lemur mascot, they're soon cooing over the black panther cub they've adopted.
Source: Web Video / Smosh Games -
The image of her tentacles curling around her as the screen fades to black can be very frightening.
Source: Disney / The Little Mermaid -
Alamut: The bodyguards of ibn Sabbah are huge, strong, black, and frightening.
Source: Scary Black Man
Cite this Source
Frightening and Black. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/black/frightening
Black & Frightening. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/black/frightening>.
Frightening or Black. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/black/frightening.
Google Ngram Viewer shows how "black" and "frightening" have occurred on timeline