長さ|ながさnagasa

1. nounlength
   ＡはＢの５倍ばいの長ながさがある。↗

   A is 5 times as long as B.

• Related距離きょりNeutralRefers to how far apart two points are, e.g. 「駅までの距離」; 「長さ」 focuses on length itself.
• Related隔たりへだたりNeutralCovers physical distance, gaps and estrangement, e.g. 「意見の隔たり」; 「長さ」 is about length itself.
• Related間隔かんかくNeutralRefers to the interval or spacing between things, as in 「間隔を空ける」; 「長さ」 is about length itself.
• RelatedディスタンスNeutralA loanword meaning distance, seen mostly in 「ソーシャルディスタンス」; 「長さ」 is about length itself.
• Antonym短さみじかさNeutralThe antonym in terms of length: shortness or brevity, as in 「話の短さ」.

Use 「長さ」 for the length of an object, the span between two points, or a duration, as in 「髪の長さ」「道の長さ」. For how far apart two places are, pick 「距離」; for spacing, 「間隔」; for gaps or estrangement, 「隔たり」. The antonym is 「短さ」.

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

1. (長ちょう) 長ながいこと。
2. (長ちょう) 2地点ちてん間かんの隔へだたり。
3. (長ちょう, 永ひさし) 時間じかんの隔へだたり。
4. (長ちょう) 数学すうがくにおけるベクトルのノルム。