狂気|きょうきkyouki[1]atamadaka (head-high)

1. no-adjectivemadness; insanity
   それをやってみるなんて狂気きょうきに近ちかい。↗

   It is little short of lunacy to try it.

• Synonym狂乱きょうらんWrittenWritten/formal: losing control as if driven mad, also a metaphor for extreme abnormality as in 「狂乱物価」; it stresses out-of-control behavior.
• Related逆上ぎゃくじょうNeutralA momentary fit: being carried away by rage or another strong emotion. It is temporary agitation, while 「狂気」 is a state of lost reason.
• Related発狂はっきょうNeutralGoing mad: the change of falling into madness, not the state; 「狂気」 denotes the state or temperament of madness.
• Related病的興奮WrittenWritten/formal term for a pathological agitated state, mostly in medical descriptions; 「狂気」 refers to mental derangement itself.
• Antonym正気しょうきNeutralSanity: a normal, clear state of mind, as in 「正気に戻る」. The most direct antonym of 「狂気」.
• Antonym冷静れいせいNeutralCalmness and composure. Only indirectly opposed to 「狂気」; the direct antonym is 「正気」.

For a state of lost reason use 「狂気」, as in 「狂気の沙汰」. Use 「発狂」 for falling into madness and 「逆上」 for a momentary fit of rage; the antonym is 「正気」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 気きが狂くるっていること。