偶发性 ǒufāxìng sporadicity Origin Definitions Defs Strokes Stroke Words Sentences Sents 偶发 偶發 ǒufā occasional occurring by chance; accidental; spontaneous; fortuitous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".