► 副詞
自ら [(1)みずから] meaning: voluntary rank: 2
☆ それは彼が自ら言ったことだ ⇨ That is something he himself said
☆ 彼は自ら希望して軍隊に入った ⇨ He voluntarily joined the military
► 名詞
自発的 [じはつてき] meaning: voluntary rank: 3
☆ 彼は自発的に賞を辞退した ⇨ He voluntarily withdrew himself from the award
不随意 [(2)ふずいい] meaning: voluntary rank: 4
☆ 不随意筋 ⇨ Involuntary muscles
► 形容動詞
自主的 [じしゅてき] meaning: voluntary rank: 2
☆ 彼等は自主的に降伏した ⇨ They surrendered voluntarily
随意 [(1)ずいい] meaning: voluntary rank: 3
☆ 不随意筋 ⇨ Involuntary muscles
任意 [(1)にんい] meaning: voluntary rank: 3
☆ 彼は警察に任意同行を求められた ⇨ He was asked by police to come to the station voluntarily