おびただしい

おびただしい ▸ おびただしい量の水 a great [a large ] quantity of water .▸ その通りにはおびただしい数の観光客がいた There were a great many [a great number of, an enormous crowd of ] tourists on the street .▸ 彼は頼りないことおびただしい He is quite [utterly ] unreliable . （⇨全く ）