time-tested

Adjective

Tested and proved to be reliable over a period of time.

Japanese Meaning

長期間にわたり試験され、その信頼性が実証された

Our time-tested recipe has been passed down through three generations and still delights customers today.

長年にわたり実績のあるレシピは三世代にわたって受け継がれ、今日でもお客様を喜ばせています。

Sense（1）

Tested and proved to be reliable over a period of time.

more time-tested

（ comparative ）

most time-tested

（ superlative ）