上部|じょうぶjoubu[1]atamadaka (head-high)

1. no-adjectivetop part; surface
   上部じょうぶ前方ぜんぽうで何なんかが光ひかっている。↗

   Something is flashing up ahead.

• RelatedトップCasualColloquial loanword for the very top of something, first place, or senior management; 「上部」 names the upper portion of a thing, such as a building's top section.
• Antonym下部かぶNeutralNeutral term for the lower part of an object; the direct opposite of 「上部」.
• Antonym底部ていぶNeutralNeutral word for the bottom or base of something; also stands opposite 「上部」.

Use 「上部」 for the upper part of an object, as in 「建物の上部」. For first place or top management, use 「トップ」; the opposites are 「下部」 and 「底部」.

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

1. （物体ぶったいなどにおいて）上側うえがわにある部分ぶぶん。