"quadruple" in German quadruple vierfach Detailed translations for "quadruple" quadruple quadruple(also: fourfold, quad) vierfach{adjectiv} He's a quadruple amputee.   Source: opensubtitles.org  Corpus by OPUS  Request review Er ist vierfach amputiert. English synonyms for "quadruple" quadruple {n} quadruplet quartet quartette quadruple {s} four-fold fourfold quadruplex quadruplicate