不定性 bùdìngxìng uncertainty Definitions Defs Origin Strokes Stroke Words Sentences Sents 不定 bùdìng adjective indefinite not fixed or certain; indeterminate; wandering or shifting; without a fixed result or settlement性 xìng affix [-ity] Suffix used after verbs or adjectives to form nouns expressing a state, quality, or scope, similar to English "-ity", "-ness", or "-ism".