Rage
Be Enraged
noun, verbal noun
Being fierce and angry means you're filled with rage, or for you to be enraged.
激怒 is a relatively formal word, often used in literature to describe someone flying into a rage or experiencing intense, uncontrollable anger. Therefore, you’ll frequently encounter this as a suru-verb in the form of 激怒する.
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.
彼は激怒してその場を立ち去りました。
He stormed off in a fit of rage.
この映画は、原作を改変しすぎて、ファンを激怒させました。
This movie made significant changes to the original work, which infuriated the 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.