(zì) to abandon restraint; to do as one pleases; comfortable (topolect)
(zìqíng) to indulge in something to one's heart's content; wanton or willful
(zìyì) without restraint; unbridled; reckless
(zìyìwàngwéi) to behave unscrupulously
(zìyìxínglè) to abandon restraint and have a fling (idiom)
(zìyù) to follow lustful desires
(zìsì) unrestrained; unbridled; free and unrestrained (style); bold
(zìxíngwújì) to behave recklessly