规律性 guīlǜxìng regularity Definitions Defs Origin Strokes Stroke Words Sentences Sents 规律 規律 guīlǜ noun law rule; regular pattern; the underlying law of how things work or behave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".