くどくど

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ど

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Common wordJLPTN1Freq.FrequencyTop 100,000

くどくどする · noun or participle which takes 'suru'

Meanings

Describes explaining, complaining, or insisting in a long-winded, repetitive, and tiresome way. Often used with verbs like 言う, 説明する, or 文句を言う.

くどくど〈動どう詞し〉to do (say, explain, complain) something tediously and repetitively
彼かれは同おなじ話はなしをくどくど繰くり返かえした。
He repeated the same story over and over, tediously.
くどくど言いうto say something in a tediously repetitive, nagging way
母ははは毎まい朝あさくどくど言いうので嫌いやになる。
My mother nags on and on every morning, and I get sick of it.
くどくど説せつ明めいするto explain something at tedious, repetitive length
先せん生せいは同おなじ規き則そくをくどくど説せつ明めいした。
The teacher explained the same rule over and over in tedious detail.
くどくど文もん句くを言いうto complain at tiresome, repetitive length
彼かれはくどくど文もん句くを言いい続つづけた。
He kept complaining on and on in a tiresome way.

ネチネチN1
ねちねち suggests a nagging, needling repetition (often criticizing someone), whereas くどくど simply describes tedious, over-long speech.
だらだらN2
だらだら describes talk or activity that drags on formlessly, while くどくど focuses on needless repetition of the same points.
長なが々ながN1
くどくど highlights annoying repetition (saying the same thing over and over), whereas 長々 simply describes talking or writing at excessive length.
グダグダ
くどくど describes repetitive, nagging speech, while グダグダ can describe the same tedious talk but also covers laziness and mushy food.

Mimetic word; the exact derivation is uncertain, but it is likely sound-symbolic, evoking a repetitive, droning quality.