Dark
Dark adjective - Showing a brooding ill humor.
Usage example: a dark scowl
Sour
Sour adjective - Showing a brooding ill humor.
Usage example: a sour temper
Both words in one sentence
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Brian Duffy of Tim Powers' The Drawing of the Dark starts sour, and only becomes more sour as the story progresses, but never loses his desire to do the Right Thing, despite serious temptation.
Source: Knight in Sour Armor -
Healthy lakes are instead often dark/brown due to humus particles from the surrounding woods (humus-particles can't be solved in sour water and just sinks to the bottom).
Source: Cool, Clear Water - Similarly, Event Horizon has the typical opening Paramount fanfare, but then hits a sour note before lifting into space with an aggressive, dark string section.
Source: Last Note Nightmare
Cite this Source
Sour and Dark. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/dark/sour
Dark & Sour. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/dark/sour>.
Sour or Dark. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/dark/sour.
Google Ngram Viewer shows how "dark" and "sour" have occurred on timeline