ノイズnoizu

1. nounnoise
   ソレノイドへの突入とつにゅう電流でんりゅうでノイズが発生はっせいします。↗

   Noise is produced by the sudden flow of current into a solenoid.

• Synonym雑音ざつおんNeutralClosest in meaning: unpleasant noise and communication interference, mostly interchangeable with 「ノイズ」. 「雑音」 alone also covers gossip and outside criticism.
• Synonym外乱がいらんWrittenTechnical term in engineering and control for external disturbances that disrupt a signal or system; not everyday use. For ordinary noise or interference, say 「ノイズ」.
• Related物音ものおとNeutralA small sound made by something, often one that seems suspicious, as in 「物音がする」. 「ノイズ」 stresses harsh, unpleasant noise or interference that spoils reception.
• Antonym静寂せいじゃくWrittenA written-style word for complete silence and stillness, often describing the atmosphere of a place; the opposite of the din of 「ノイズ」.
• Antonym無音むおんNeutralNo sound, or sound that cannot be heard; often describes the state of audio, video or other equipment. The opposite of 「ノイズ」 with its noise and interference.

For noise or static, 「ノイズ」 and 「雑音」 are both fine, with 「ノイズ」 especially common for interference in electronics and signals; small, possibly suspicious sounds are 「物音」, and 「外乱」 is the engineering term. For silence, use 「静寂」 or 「無音」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 雑音ざつおん。騒音そうおん。
2. ラジオ、テレビなどの電気でんき的てきな雑音ざつおん。
3. 意味いみのある情報じょうほうに混在こんざいする無意味むいみ、無関係むかんけいな情報じょうほう。