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Jyutping sei2 zit3
Pinyin sǐ jié

Definitions (Wiktionary)
  1. verb, literary
    to die for the sake of honour or duty; to die and preserve one's integrity; to become a martyr
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

死節 [-节]

Jyutping
Pinyin sǐ jié

Definitions (CC-CEDICT)
  1. to die or be martyred for a noble cause
  2. to be faithful unto death
Examples (Wiktionary)
  1. Mandarin
    死节
    死節
    sǐ jié
    • to die for honour