Without daylight; dark, gloomy, or describing a place or period without sunlight.
Compound of 'day' + '-less' suffix (meaning 'without'). Used poetically or technically to describe perpetual darkness, especially in polar regions or underground.
In places like Arctic caves or the deepest ocean trenches, 'dayless' isn't just poetic—it's literal; some creatures have evolved in absolute darkness for so long they've lost their eyes entirely because there's nothing to see.
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