Meaning of 無闇 in Japanese

Definition of 無闇

むやみ(muyami) 【無闇 ·無暗】

むやみに(muyamini) 【無闇に ·無暗に】

(adv) thoughtlessly; recklessly; rashly; indiscriminately; indiscreetly; at random
むやみに自殺を否定しようとは思いませんが、親が子どもを道連れにするのはぜったいにやめてほしい、と思います。
I don't intend to flatly reject suicide, but I really wish parents would not make their children join in with them.
excessively; unreasonably; immoderately; absurdly

むやみやたら(muyamiyatara) 【無闇やたら ·無闇矢鱈】

(adj-na, n, n-adv, adv-to) thoughtless; reckless; rash; indiscriminate; indiscreet
excessive; unreasonable; immoderate; absurd