くろさいだいとかげでわありません
黒細大蜥蜴ではありません
kurosaidaitokagedewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of くろほそおおとかげ

1. Is not a black, slender, large lizard.

Negative
Polite
Formal Register
Usually Written in Kana