Meaning of 無闇暗 in Japanese

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Definition of 無闇暗

くらい(kurai) 【暗い ·昏い ·冥い ·闇い】

(adj-i) dark; gloomy
あたりがもう暗くなっていることに気がついた。
I observed that it had already got dark.
dark (in colour); dull
depressed; dispirited
sorrowful; bitter (as in a dark past)
unclear; unfamiliar; unknown

むやみ(muyami) 【無闇 ·無暗】