先頭|せんとうsentou[0]heiban (flat)

1. nounhead (of a line, group, etc.); front; lead; forefront; vanguard
   さあ出発しゅっぱつしよう。君くん先頭せんとうを行いきなさい。↗

   Let's start now, and you go first.

• Related第一線だいいっせんNeutralThe forefront of work or activity, as in 「第一線で活躍する」; 「先頭」 is the front of a line or column.
• Related最前線さいぜんせんNeutralOriginally the front line in battle, now also the cutting edge of research or business rivalry; 「先頭」 is the very front of a line.
• Related陣頭じんとうWrittenWritten/formal prose for the position of leading people or personally taking charge, as in 「陣頭指揮」; 「先頭」 is the frontmost spot and also leading a group.
• Antonym最後尾さいこうびNeutralThe opposite of 「先頭」 in queue position: the very end of a line, as in 「列の最後尾に並ぶ」.

Use 「先頭」 for the front of a line or leading a group, as in 「先頭に立つ」. Pick 「第一線」 for the forefront of work, 「最前線」 for a battle front or the cutting edge of research or business, and written 「陣頭」 for personally leading. 「最後尾」 is the antonym: the back of a line.

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

1. 一番いちばん前まえ、または前まえの方ほう。