en.wiktionary.orghard c - Wiktionary, the free dictionary Contents From Wiktionary, the free dictionary hard c (plural hard c's) (phonetics) The "c" sound pronounced /k/, as in "cat" and "cabin", as distinct from the soft c, pronounced /s/, in "cent", "center" and "circuit". hard g soft g D.Arch., chard, archd, Chard, archd.