Rage
Indignation, Exasperation
noun, verbal noun
Being fierce and angry means you're filled with rage. If you were looking for a word to describe all your indignation, then this is it.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
それを見た母は、大激怒でした。
When my mother saw this, she was absolutely furious.
この映画は、原作を改変しすぎてファンの激怒を買いました。
The film altered the original story so much that it drew the rage of fans.
土足でベンチに上がるの、海外ならいいかもしれないけど、日本では激怒ものだよ。
Putting one's shoes on a bench may be fine in other countries, but in Japan it would cause indignation.