Japanese pronunciation lookup
ボリューミー
Said in 2 Japanese podcast lines.
結構中身的にはボリューミーで
It's quite substantial in terms of content.

ど田舎から発信【グジョラジ】No.41【菊池 颯花ちゃん】何かしたいってわけじゃないのに郡上に来ていいのか悩んだ
におすすめをもらいましてそれ買ったんですよその本を 結構ねボリューミーなどれくらいのか辞書くらいの厚さがある
I got a recommendation, so I went ahead and bought that book; it's quite voluminous, about as thick as a dictionary.

YUYUの日本語Podcast【Japanese Podcast】Vol.411 手土産(てみやげ)って知ってる? (Japanese Radio for Listening practice)
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Japanese books and courses on Amazon (affiliate link).