noun, noun which may take the genitive case particle 'no'
cutting edge; forefront; state of the art
Refers to the most advanced position in technology, research, trends, or ideas. Often used attributively with の.
この研究所は常に最先端の技術を追求している。
This research institute is always pursuing cutting-edge technology.
彼女はファッションの最先端を走っている。
She is at the forefront of fashion.
noun
tip; extreme end
Physical tip or very end of something; less common than the figurative sense. Often used in technical or descriptive contexts.
針の最先端は非常に細い。
The very tip of the needle is extremely thin.