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Jyutping suk1 fu6
Pinyin shú fù

Definitions (Wiktionary)
  1. noun, formal
    paternal uncle (father's younger brother)
    (syn.) 叔伯, 咉叔, 叔仔, 叔叔啊, 達達, 小伯, 滿滿, 阿屋, 爸爸, 爹, 叔牯, 阿爸, 吾叔, 叔叔, 叔, 叔叔兒, 爺叔, 尼叔, 阿家, 俺叔, 叔父, 叔爺, 叔佬, 阿爹, 叔哩, 季父, 叔老子, 小爸爸, 爸, 家叔, 叔子, 小叔, 爺, 阿爺, 小伯伯, 叔唧, 阿叔, 達達兒, 嬌嬌, 伯兒, 伯伯, 叔爹, 老老, 阿婢, 叔爸, 依家, 好叔, 阿大, 叔兒, 育育, 叔公, 小爹, 滿滿 rural, 家家, 爺爺, 達, 達達 Hui

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Jyutping suk1 fu2
Pinyin shū fù

Definitions (粵典–words.hk)
  1. 名詞、俚語
    江湖​術語​,​指社​團​嘅​長​輩
    senior members of a society; elders; considered slang used among gangster societies

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Jyutping suk1 fu6
Pinyin shū fù

Definitions (CC-CEDICT)
  1. father's younger brother
  2. uncle
Definitions (CC-CANTO)
  1. (noun) Senior in a high level (of a specific field which usually refers to gangster)
Definitions (粵典–words.hk)
  1. 名詞、書面語
    阿叔​;​爸爸​嘅​細​佬
    paternal uncle; father’s younger brother
    • 呢個係我阿叔。
      呢个系我阿叔。
      ni1 go3 hai6 ngo5 aa3 suk1.
      這個是我的叔父。
Definitions (Wiktionary)
  1. noun, formal
    paternal uncle (father's younger brother)
    (syn.) 叔伯, 咉叔, 叔仔, 叔叔啊, 達達, 小伯, 滿滿, 阿屋, 爸爸, 爹, 叔牯, 阿爸, 吾叔, 叔叔, 叔, 叔叔兒, 爺叔, 尼叔, 阿家, 俺叔, 叔父, 叔爺, 叔佬, 阿爹, 叔哩, 季父, 叔老子, 小爸爸, 爸, 家叔, 叔子, 小叔, 爺, 阿爺, 小伯伯, 叔唧, 阿叔, 達達兒, 嬌嬌, 伯兒, 伯伯, 叔爹, 老老, 阿婢, 叔爸, 依家, 好叔, 阿大, 叔兒, 育育, 叔公, 小爹, 滿滿 rural, 家家, 爺爺, 達, 達達 Hui
  2. noun, Cantonese
    elder in a gang; someone who is of the same generation as the gang leader
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    叔父
    叔父
    suk1 fu2
    • uncle (father's younger brother)
Examples (Wiktionary)
  1. Mandarin
    叔父
    叔父
    shū fù
    • paternal uncle (father's younger brother)