► 助動詞
まじ [(1)まじ] [liter] meaning: must not rank: 4
☆ 決して忘るまじ ⇨ Never forget
☆ 決して許すまじ ⇨ Never forgive
► 形容動詞
マジ [(1)まじ] [coll] [peer] meaning: serious rank: 2
☆ あいつがマジで好きになった ⇨ I seriously fell in love with her
☆ あいつの料理、マジで美味い ⇨ No joke, his cooking is seriously good
☆ 飲酒運転して人身事故を起こしたりしたらマジでやばい ⇨ You gonna be in serious trouble if you DUI and injure someone
☆ お前マジかよ？ ⇨ Are you serious? You gotta be kidding, right? (☛ A colloquial abbreviation of “真面目”)