go mad

Verb

intransitive informal as a past participle and preceded by a noun usually

(intransitive) To become insane. / (intransitive, informal, typically followed by "and" and a second verb) To do something extravagant.

Japanese Meaning

正気を失う / 突拍子もなく派手な行動を取る

After weeks alone in the cabin with no news, he began to go mad, imagining voices in the walls.

知らせがまったくないまま小屋で何週間も一人で過ごした後、彼は壁から声が聞こえると想像して発狂し始めた。

Sense（1）

(intransitive) To become insane.

Sense（2）

(intransitive, informal, typically followed by "and" and a second verb) To do something extravagant.

Let's go mad and have a bottle of wine with our lunch.

Sense（3）

(intransitive, informal, usually as a past participle and preceded by a noun) To reach an excessive or ridiculous level.

Why should we ban controversial speakers from college grounds? Surely that's political correctness gone mad?

goes mad

（ present singular third-person ）

going mad

（ participle present ）

went mad

（ past ）

gone mad

（ participle past ）