高さ|たかさtakasa

1. nounheight; altitude; elevation; level
   水みずは私のひざの高たかさだった。↗

   The water came up to my knees.
2. noun, mathaltitude; height

• Synonym高度こうどWrittenWritten/formal prose: height as in 「飛行高度」, or advanced as in 「高度な技術」; leans toward flight altitude and technical sophistication.
• Related海抜かいばつWrittenWritten/formal prose for height above sea level, as in 「海抜1000メートル」; it covers only distance above sea level, while 「高さ」 is far broader.
• Related背せいNeutralA person's height, but also usable for tall things, as in 「背の高い建物」; 「高さ」 is the more general word.
• Related背丈せたけCasualColloquial word for a person's stature, as in 「背丈が伸びる」; also used for the height of plants and trees.
• Related高距こうきょFormalFormal term for height above sea level, now rarely used; 「海抜」 is the usual word today.
• Antonym低さNeutralThe degree to which something is low, as in 「天井の低さ」; the direct opposite of 「高さ」.

Use 「高さ」 for height or the degree to which something is high, as in 「山の高さ」 and 「意識の高さ」. For height above sea level say 「海抜」; for a person's height say 「背」; for flight altitude say 「高度」. 「低さ」 is the opposite.

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

1. 垂直すいちょく方向ほうこうの長ながさ。
2. 高たかいこと。