Dutch › DictionarydecenniumB2#6,222Hear itnounneutera decade, a period of ten yearsFormsnounpluraldecenniapluraldecenniënpluraldecenniumsdiminutive neuterdecenniumpjeOther ways to say itdecadea décade, 'week' of ten days in the French republican calendar; hence any ten consecutive days; a set of ten book volumes, as part of a larger opusjaartientaldecadeRead Dutch with every word explained