What is a one-character translation of the English word "Freedom"?
Question: 古文中哪个字有自由不受约束的意思啊？ (Gǔwén zhōng nǎge zì yǒu zìyóu bu shòu yuēshù de yìsi a) - Which word in Ancient Chinese means Free and/or Unfettered?

Source: Bai Du

It appears there aren't single words, in modern and ancient Chinese, that have a denotative meaning of "Freedom". There are however, connotative words that can mean "free" or "to set free" in context.

放 (Fàng) - Put, Release, Free, Lay 


  放出 (Fàngchū) - Release, Set Free
  
  放心 (Fàngxīn) - Free your heart, don't worry 
  
  放松 (Fàngsōng) - Set loose, relax




More ancient words for "free":


  恣 (Zì) - Do as one pleases, free (From: 恣肆 (Zìsì) - Unrestrained)
  
  逍 (Xiāo) - Leisurely (From: 逍遥 (Xiāoyáo) - Free and unfettered)
  
  逸 (Yì) - Free, Leisurely (Common in names)