みなぎ
minagiru

Godan Verb (ru)

1. to rise high (of water); to overflow; to swell

Intransitive
Usually Written in Kana
Godan Verb (ru)

2. to be filled with (emotion, energy, etc.); to be bursting with; to be brimming with; to pervade (of an atmosphere, feeling, etc.); to prevail

Intransitive
Usually Written in Kana
部屋 へやには切迫 せっぱくした空気 くうきがみなぎっていた。
heyaniwa seppaku shita kūkiga minagitte ita.
There was a tense atmosphere in the room.