From Wiktionary, the free dictionary
ずくめ • (-zukume) ←づくめ (-dukume)?
- completely, entirely, nothing but
- 嘘ずくめの言い訳
- usozukume no īwake
- an excuse filled with complete lie
- いい事ずくめ
- ii kotozukume
- everything is good
- 黒ずくめの服装
- kurozukume no fukusō
- clothing with nothing but black
This term is often spelled in hiragana.