ザデクラインMeanings1nounThe Decline of Western Civilization (film)work of art, literature, music, etc.Title of a documentary film; used as a proper noun.『ザデクライン』はパンク・ロックを扱あつかったドキュメンタリー映えい画がだ。'The Decline of Western Civilization' is a documentary film about punk rock.