the previous generation (of a family); previous head of the family; one's (late) father.
先代の社長は地域に大きな貢献をした。
The previous company president made significant contributions to the community.
彼は先代の店を受け継いだ。
He inherited the shop from the previous generation.
先代の写真が仏壇に飾られている。
A photo of the previous generation is displayed on the family altar.
predecessor (someone or something that came before in a role or position).
新しい校長は先代の方針を一部引き継いだ。
The new principal partially continued his predecessor's policies.
先代の設計には改善の余地があった。
The previous design had room for improvement.
previous age; former generation.
先代の技術では現在の需要を満たせなかった。
Technologies of the previous era couldn't meet today's demands.
先代の価値観と今の若者の価値観はずいぶん違う。
The values of the previous generation differ greatly from today's youth.