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Jyutping zim1
Pinyin zhān

Definitions (Wiktionary)
  1. character
    to talk nonsense; to blabber incoherently; to be delirious
  2. character
    verbose
Definitions (Unihan)
  1. talkative
  2. incoherent talk
  3. Cangjie Input - Traditional
    YRNCR
  4. Cangjie Input - Simplified
    IVNCR

譫 [谵]

Jyutping
Pinyin zhān

Definitions (CC-CEDICT)
  1. (literary) to rant; to rave; to be delirious