truthful Syllabification: (truth·ful)Pronunciation: /ˈtro͞oTHfəl/Translate truthful | into French | into German | into Italian | into Spanish Definition of truthful adjective (of a person or statement) telling or expressing the truth; honest:I think you’re confusing being rude with being truthful I want a truthful answer (of artistic or literary representation) characterized by accuracy or realism; true to life:astonishingly truthful actingDerivatives truthfully adverb truthful in other Oxford dictionaries Definition of truthful in the British & World English dictionary