A matching set or a complete collection — items of the same kind, color, or design gathered as a set.
チームのユニフォームは揃いのデザインで試合に臨んだ。
The team went into the match wearing matching uniforms.
揃いの茶碗を五客買った。
I bought a set of five matching tea bowls.
彼女は揃いのアクセサリーでコーディネートしていた。
She coordinated with matching accessories.
博物館の展示は揃いの年代の陶器で構成されている。
The museum exhibit consists of ceramics from the same period.
As a suffix, indicates that everyone/everything is present — often read as 'zoro(i)' in expressions like '〜ぞろい' (nothing but, entirely composed of).
有名作家ぞろいのメンバーリストに驚いた。
I was surprised to see a lineup made up entirely of famous authors.
問題児揃いのクラスだったが、先生はうまくまとめた。
It was a class full of problem students, but the teacher managed them well.
新品揃いの家電コーナーを見て回った。
I went around the appliance section full of brand-new items.