精诚 jīngchéng absolute sincerity Origin Definitions Defs Strokes Stroke Words Sentences Sents jīngchéng absolute sincerity 精 jīng noun essence the best or most essential part of something; an extract or refined substance诚 誠 chéng noun sincerity sincerity; good faithjīngchéng extremely sincere 精 jīng extremely placed before certain adjectives to mean very, highly, or completely诚 誠 chéng adjective sincere (bound form) sincere; honest; authentic