流行性 liúxíngxìng epidemic (attributive) Definitions Defs Origin Strokes Stroke Words Sentences Sents liúxíngxìng epidemic (attributive) · epidemicity 流行 liúxíng noun to spread to spread or propagate widely, especially of a contagious disease or new ideas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".liúxíngxìng popularity 流行 liúxíng adjective popular prevalent; popular; fashionable; in vogue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".