The superlative form of barren; the most barren, most empty, or least fertile.
From barren plus -est, the superlative suffix used to describe the extreme degree of a quality. This is the highest degree of comparison for the adjective barren.
The Dead Sea region is among Earth's barrenest landscapes—so salty and harsh that it supports almost no life—yet it's also the lowest point on Earth and historically one of the most populated due to its unique resources.
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