fillingPronunciation: /ˈfɪlɪŋ/Translate filling | into French | into German | into Italian | into Spanish Definition of filling noun a quantity of soft material that fills or is used to fill something:duvets with synthetic fillings a piece of metal or other material used to fill a cavity in a tooth:a gold filling an edible substance placed between the layers of a sandwich, cake, or other foodstuff:a Swiss roll with a chocolate filling North Americananother term for weft1. adjective (of food) leaving one with a pleasantly satiated feeling:the full English breakfast was delicious and also very fillingfilling in other Oxford dictionaries Definition of filling in the US English dictionary