noun
the very front; the head; the foremost
Refers to the leading position or the very front of a group, line, or movement. Often used in phrases like 真先に立つ (to stand at the head) or 真先に進む (to advance at the forefront).
彼は行列の真先に立っていた。
He stood at the very front of the line.
その会社は技術革新の真先を走っている。
The company is at the forefront of technological innovation.