seethingly

Adverb

In a seething manner. / Furiously; in a rage.

Japanese Meaning

煮えたぎるように / 激怒して / 怒りを込めて猛烈に

She watched seethingly as her colleague received the promotion she had wanted for years.

彼女は何年も望んでいた昇進を同僚が受けるのを、怒りで煮えくり返りながら見ていた。

Sense（1）

In a seething manner.

Sense（2）

Furiously; in a rage.

more seethingly

（ comparative ）

most seethingly

（ superlative ）