途轍もない

adj

(idiomatic) absurd, unbelievable / (idiomatic) extraordinary, enormous

His behavior was absurdly ridiculous.

意味（1）

(idiomatic) absurd, unbelievable

とてつもなく大(おお)きいスイカだ

totetsu mo naku ōkii suika daWhat an absurdly huge watermelon!

意味（2）

(idiomatic) extraordinary, enormous

とてつもない眺(なが)めですね

totetsu mo nai nagame desu neWhat a tremendous view!