Huge
Bulky, Enormous, Extensive
noun, な adjective, の adjective
ぼうだい
莫大 (ばくだい) Huge, Enormous
巨大 (きょだい) Huge, Gigantic, Enormous
膨大 (ぼうだい) Huge, Bulky, Enormous, Extensive
甚大 (じんだい) Immense, Tremendous, Enormous
膨張 (ぼうちょう) Expansion, Swelling, Increase, Growth
She watched it swell 膨 big 大 until it was Huge/Enormous 膨大