Last Updated
：2026/01/08
電波
Hiragana
でんぱ
Noun
slang
Japanese Meaning
電波 / 携帯電話の信号 / 電波系（電波系）と呼ばれる、精神的に健全でない人が発する（俗語）ナンセンス
Easy Japanese Meaning
でんきのちからで、しらせをとどけるみえないなみ。けいたいがつながるしるし。
Chinese (Simplified) Meaning
无线电波 / 手机信号 / （俚）精神不稳定者的胡言乱语
Chinese (Traditional) Meaning
無線電波 / 行動電話訊號 / （俚）精神不穩者發出的胡言亂語
Korean Meaning
전파 / 휴대전화 신호 / (속어) 황당한 말·행동; 그런 사람
Indonesian
gelombang radio / sinyal ponsel / (slang) omong kosong yang ngelantur (denpa-kei)
Vietnamese Meaning
sóng vô tuyến / sóng/tín hiệu điện thoại (di động) / (lóng) lời lẽ/ý tưởng nhảm nhí, kỳ quặc
Tagalog Meaning
alon ng radyo / sinyal ng cellphone / walang saysay o kakaibang pinagsasabi ng isang eksentrikong tao (slang)
Sense（1）
(slang) nonsense produced by a mentally unsound person, who is termed a 電波(でんぱ)系(けい) (denpa-kei, “radio-wave-type”) person
Sense（2）
radio wave
Sense（3）
mobile phone signal
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
radio wave / mobile phone signal / (slang) nonsense produced by a mentally unsound person, who is termed a 電波(でんぱ)系(けい) (denpa-kei, “radio-wave-type”) person
See correct answer
電波
See correct answer
Because the number of high-rise buildings in the city has increased, mobile phone radio signals can become weak in some places, causing calls to drop.
Because the number of high-rise buildings in the city has increased, mobile phone radio signals can become weak in some places, causing calls to drop.
See correct answer
都会の高層ビルが増えたため、ある場所では携帯電話の電波が弱くなり、通話が切れることがある。
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