殫 [殚]

Jyutping daan1
Pinyin dān

Definitions (Wiktionary)
  1. character
    to exhaust, use up
  2. character
    utmost, entirely, quite
Definitions (Unihan)
  1. utmost, entirely, quite
  2. use up
  3. Cangjie Input - Simplified
    MNCWJ
  4. Cangjie Input - Traditional
    MNRRJ

殫 [殚]

Jyutping
Pinyin dān

Definitions (CC-CEDICT)
  1. entirely
  2. to exhaust