en.wiktionary.orgrestafval - Wiktionary, the free dictionary From Wiktionary, the free dictionary Compound of rest (“rest, remainder”) + afval (“waste”). IPA(key): /ˈrɛst.ɑˌfɑl/ Hyphenation: rest‧af‧val restafval n (uncountable) general waste, residual waste, unsorted household waste