Murky, turbid, or cloudy, especially when describing water or a person's mood.
Scottish English origin, possibly from Dutch 'troebel' (turbid). The word evolved in northern British dialect to describe both physical cloudiness and metaphorical dullness of mind or spirit.
This Scottish word captures something English doesn't—that gray, gloomy, can't-see-through quality of both water AND a person's confused state of mind!
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