thoughtlessly; recklessly; indiscriminately
Doing something without careful thought, often with negative consequences. Covers acting rashly, without discretion, or at random.
You shouldn't trust people indiscriminately.
excessively; unreasonably; absurdly
Going beyond reasonable limits; used when an action or amount is immoderate or absurdly high.
It's not good to suspect people without good reason.
He drove recklessly and caused an accident.
It was a shop that charged absurdly high prices.
I ate excessively and got a stomachache.
This restaurant is unreasonably expensive.
Please don't touch the machine carelessly.
He often gets angry for no good reason.
やたら is a casual way to say 'excessively/recklessly' often implying high frequency, while むやみに stresses acting without thought or reason.
でたらめ describes something random or nonsensical, whereas むやみに focuses on the thoughtlessness or excess of an action.
軽率 describes rash or careless behavior as a trait, while むやみに is an adverb describing the manner of a specific action.
むやみに suggests reckless or excessive action without restraint, while 無性に describes an intense, often unexplainable inner urge or feeling.
むやみに describes acting rashly or without proper reason, while いたずらに emphasizes that the action produces no meaningful result.
無闇に describes acting recklessly or without proper thought in general, while 手当たり次第 focuses on the specific idea of using or grabbing whatever is at hand.
Applies to each form listed below
Ateji spelling; rarely used in modern writing.
Ateji spelling; rarely used in modern writing.
Derivation uncertain. The kanji 無闇 and 無暗 are ateji, and the word is native Japanese. Possibly related to the old adverb むや (vainly, uselessly) with the suffix み, but this is not confirmed.