常識|じょうしきjoushiki[0]heiban (flat)

1. nouncommon sense; good sense; common knowledge; general knowledge; common practice; accepted practice; social etiquette
   彼女かのじょには常識じょうしきが欠かけている。↗

   She is lacking in common sense.

• Synonym良識りょうしきWrittenWritten/formal prose. Sound judgment and healthy sense, with a positive ring, as in 「良識ある市民」; 「常識」 is the knowledge or conventions everyone is expected to know.
• SynonymコモンセンスWrittenWritten/formal prose. A loanword for common sense or plain reason; used less often, and everyday speech favors 「常識」.
• Related俗識WrittenWritten/formal prose. Worldly wisdom or the average person's view; extremely rare — say 「常識」 or 「世間の常識」 in daily use.
• Antonym非常識ひじょうしきNeutralThe opposite of 「常識」 on whether something fits common sense: lacking it or behaving absurdly, as in 「非常識な時間」.

Use 「常識」 for the knowledge and rules society expects everyone to share. For sound, healthy judgment with a positive ring, use 「良識」; for something outrageous or lacking common sense, 「非常識」. 「コモンセンス」 and 「俗識」 are rare alternatives.

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

1. 社会しゃかいを構成こうせいする一般的いっぱんてきな人ひとが共有きょうゆうし承認しょうにんしている、または、有ゆうすべきと考かんがえられている価値観かちかんや知識ちしき。社会的しゃかいてきなルールに関かかわるものが多おおい。