halfpennyworth Syllabification: (half·pen·ny·worth)Pronunciation: /ˈhāpniˌwərTH, ˈhafˌpenē-/ (also ha'p'orth)Definition of halfpennyworth noun British as much as could be bought for a halfpenny. [usually with negative] (ha'p'orth) informal a negligible amount:he’s never been a ha’p'orth of botherhalfpennyworth in other Oxford dictionaries Definition of halfpennyworth in the British & World English dictionary