不竭 bùjié inexhaustible Origin Definitions Defs Strokes Stroke Words Sentences Sents 不 bù adverb not Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings竭 jié adjectiveverb to exhaust (bound form) to exhaust; to use up; to reach the end of something