隨性 [随－]

Jyutping ceoi4 sing3
Pinyin suí xìng

Definitions (CC-CEDICT)
  1. casual
  2. laid-back
  3. doing as one pleases
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. adj
    following one's mood or heart; spontaneous