〜ずくめ

今年はいいことずくめでした。

Kotoshi wa ii koto zukume deshita.

This year has been nothing but good news.

ずくめ is all of it being that — unlike だらけ, it can be good

黒ずくめの服装でした。

Kuro zukume no fukusō deshita.

Dressed head to toe in black.

It takes a limited set of nouns, chiefly 黒, いいこと and 規則

だらけ が常に負なのと対照的です。

Darake ga tsune ni fu na no to taishōteki desu.

It stands against だらけ, which is always negative.

One takes either; the other only the bad