tiresome Syllabification: (tire·some)Pronunciation: /ˈtīrsəm/Translate tiresome | into French | into German | into Italian | into Spanish Definition of tiresome adjective causing one to feel bored or annoyed:weeding is a tiresome but essential jobDerivatives tiresomely adverb [as submodifier]:a tiresomely predictable attitude tiresomeness noun tiresome in other Oxford dictionaries Definition of tiresome in the British & World English dictionary