新しん同どう

noun

as good as new; like new

Colloquial abbreviation of 新品同様 (shinpin dōyō). Used to describe second-hand items in near-mint condition, common in online listings and thrift stores.

See also: 新品同様

• このゲームソフト、新しん同どうで買かったけど本ほん当とうにきれいだよ。

  I bought this game second-hand but it's as good as new—really clean.

• フリマアプリで「新しん同どう」と書かいてあったら、ほぼ未み使し用