百ひゃく害がいひゃくがいFreq.FrequencyTop 100,000Meanings1noungreat harm; all harm and no benefitAlmost always used in the fixed expression 百害あって一利なし (all harm and no benefit). Rarely appears outside this phrase.喫きつ煙えんは百ひゃく害がいあって一いち利りなしだ。Smoking does nothing but harm.Expressions百ひゃく害がいあって一いち利りなしall pain, no gain; doing no good and a lot of harm; having no redeeming features