Which word best describes something that is "harsh" or "desolate"?

The word "stark" is the most fitting choice to describe something that is "harsh" or "desolate." "Stark" conveys a sense of severity and extreme simplicity, often associated with landscapes or environments that lack warmth or comfort. When describing such places, "stark" emphasizes the unforgiving and bare qualities, enhancing the overall impression of bleakness and harshness.

In contrast, "turbulent" suggests chaos or disturbance, which may not fully capture the essence of desolateness. "Complex" indicates something that is intricate or complicated, which stands in opposition to the idea of a harsh, bare environment. "Vivid" usually refers to bright or intense colors or imagery, which does not align with the notion of harshness or desolation. Therefore, "stark" effectively encapsulates the attributes of being harsh and desolate.