(さいぜんせん)

さいぜんせん
noun
front line, forefront
1. front line, forefront, cutting edge
The most forward position in a conflict, or figuratively, the leading edge of a field, industry, or area of activity. Used both in military and metaphorical contexts.
研究(けんきゅう)最前線(さいぜんせん)()
To stand at the forefront of research.
I'm grateful to the doctors working on the front lines of medicine.
This company leads the world at the cutting edge of AI technology.

Usage

最前線(さいぜんせん) is used both literally (military front lines) and figuratively (the forefront of a field or effort). The figurative usage is more common in everyday Japanese.

Common collocations

Etymology

(さい) (most) + 前線(ぜんせん) (front line) — the very foremost line.