pilling in English dictionary pilling Meanings and definitions of "pilling" Present participle of pill. Balls of fibre formed on clothing through usage, often called pill or pills. noun Balls of fibre formed on clothing through usage, often called pill or pills. verb present participle of [i]pill[/i] more Grammar and declension of pilling pilling (plural pillings) more Pilling Sample sentences with "pilling" Declension Stem Try again Available translations Croatian Czech Estonian Finnish French German Irish Japanese Tamil Welsh Authors