自願性 zìyuànxìng voluntary Origin Definitions Defs Strokes Stroke Words Sentences Sents 自愿 自願 zìyuàn adjectiveadverb voluntarily of one's own accord; by one's own free will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".