とんでもない

i-adjectiveとんでもない · tondemonai

1. Englishunthinkable; unexpected; absurd; outrageous

   • ジャックが音楽が苦手なんてとんでもない、それどころか、ピアノを弾くのがうまい。It isn't true that Jack is no good at music; on the contrary, he plays the piano well.

2. Englishabsolutely not!; far from it!; impossible!; preposterous!

   • 「君はそれを終えたか」「とんでもない、始めたばかりだ」"Have you finished it?" "On the contrary, I've just begun."

3. English(it was) no bother at all; not at all; don't mention it

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)