painfulEnglishOxford Dictionary of Englishpainful /ˈpeɪnf(ʊ)l / ▸ adjective (of a part of the body) affected with pain: her ankle was very painful. ▪ causing physical pain: a painful knock. ▪ causing distress or trouble: a painful experience. ▪ informal very bad: their attempts at reggae are painful. – DERIVATIVES painfulness /ˈpeɪnf(ʊ)lnəs / noun