Somewhat dark; having a dark quality but not entirely or deeply dark.
From 'dark' plus the suffix -ish, which creates adjectives meaning 'somewhat' or 'rather.' The -ish suffix comes from Old English and Germanic roots, and this productive formation can apply to nearly any adjective.
The suffix -ish is brilliant for English speakers because you can make it mean 'kind of' attached to almost anything—darkish, reddish, sweetish, awkwardish—it's how we all talk naturally when being imprecise!
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