one-time

Adjective

not-comparable

Japanese Meaning

特定の過去の時点に関連する / 一度だけの、一回限りの

The one-time mayor returned to his hometown to attend the opening of the new library.

その元市長は新しい図書館の開館式に出席するために故郷へ戻った。

Sense（1）

Of or pertaining to a specific time in the past.

He was the one-time president of the club.

Sense（2）

Occurring or used in a single instance and then never again.

one-time charge/payment