What does 夥しい mean in Japanese?

large number, innumerable, great many, immense, vast, abundant

夥しい (Obitadashii) — large number · Japanese Dictionary

おびただしい

Obitadashii

Usually written in kana.

夥しい (Obitadashii) is a Japanese i-adjective meaning “large number, innumerable, great many, immense”.

おびただしい数の人々が集まってきていた。
People were gathering in a huge mass.
彼の初期の詩は少年時代の体験や記憶をおびただしく利用している。
His early poetry draws heavily on his experience and memories of childhood.
子供に少し愛情を注いで見給え、すると君におびただしい愛情が戻ってくる。
Give a little love to a child, and you get a great deal back.

Sentences from Tatoeba (CC BY 2.0 FR).