► 副詞
まさか [(1)まさか] [coll] meaning: impossible rank: 1
☆ 彼に金を貸してくれなんて、まさか頼めない ⇨ There’s no way I can ask him to lend me some money
► 名詞
不可能 [(2)ふかのう] [liter] meaning: impossible rank: 1
☆ 不可能を可能にする技術 ⇨ The technology that makes impossible possible
無理 [(1)むり] meaning: impossible rank: 1
☆ 無理をする必要は無い ⇨ There’s no need to work too hard
無理 [(1)むり] [無理する] meaning: impossible rank: 1
☆ 彼は無理をして高級車を買ったがローンが払えなくて手放さざるを得なくなった ⇨ He bought a luxury car he cannot really afford, and now has to let it go because he can’t pay the loan
不能 [ふのう] [liter] meaning: impossible rank: 2
☆ 彼は怪我で再起不能になった ⇨ He was unable to come back because of the injury (☛ Usually used as a suffix after a noun)
☆ 機械が故障で制御不能になった ⇨ The machine became impossible to control because of malfunction (☛ Usually used as a suffix after a noun)
無理難題 [(1)むりなんだい] meaning: impossible rank: 4
☆ 彼等は無理難題をふっかけてきた ⇨ They have made impossible demands (☛ Maliciously difficult demands)
► 形容動詞
馬鹿 [(1)ばか] meaning: impossible rank: 1
☆ そんな馬鹿な！ ⇨ That cannot happen! That is impossible! (☛ A phrase when you think something is unthinkable and cannot accept it)
不可能 [(2)ふかのう] [liter] meaning: impossible rank: 1
☆ それは現在の科学では不可能だ ⇨ It is impossible with today’s science
☆ 彼を救うことは不可能だった ⇨ It was impossible to save him
無理 [(1)むり] meaning: impossible rank: 1
☆ マラソンを一時間で走るのは無理だ ⇨ It is impossible to run a marathon in one hour
☆ 無理なものは無理だ ⇨ What is impossible is impossible
► 連体詞
見果てぬ [みはてぬ] [liter] meaning: impossible rank: 4
☆ 見果てぬ夢 ⇨ A dream you don’t finish. An impossible dream