上端|じょうたんjoutan[0]heiban (flat)

1. nounupper end; top; tip; top edge

• Synonym頂上ちょうじょうNeutralA mountain summit or the highest point of something, also used figuratively; it centres on the very top and is not said of an object's upper edge.
• Synonym頂いただきWrittenA native Japanese word for the highest point, such as a mountain top or the crown of the head; literary in tone and not used for object edges.
• Related先端せんたんNeutralThe foremost end of a long object or the leading edge, as in 「防波堤の先端」「先端技術」; direction is not limited, while 上端 is the upper edge or upper limit.
• Related頂点ちょうてんNeutralThe vertex of a geometric figure, also the highest point such as a mountain top or the peak of a career; 上端 means the upper edge or upper limit.
• Antonym下端かたんNeutralThe lower end or bottom edge of an object, also the lower limit; the direct opposite of 上端, which sits at the upper edge.
• Antonym底部ていぶNeutralThe bottom or base part of something; the opposite of 上端, which marks the top.

Use 「上端」 for the upper edge or upper limit of an object or chart. For a mountain top say 「頂上」, for the tip of something long 「先端」, and for the highest point 「頂点」; 「下端」 and 「底部」 are its opposites.

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

1. 上部じょうぶの端はし。
2. 上限じょうげん。