How to say "crazy, insane" in Russian?

[Sumasshedshiy]

"crazy, insane" is Сумасшедший in Russian.

Сумасшедший means "crazy, insane" in English.

Word #1806 of 6,000 by frequency in Russian.

Она смотрела на него, как на сумасшедшего.

She looked at him as if he were crazy.

• Чуть-чуть, just a little bit
• Испытание, test, trial, ordeal
• Февраль, February
• Заменить, to replace
• Эксперт, Expert
• Расстояние, Distance
• Хозяин, Owner
• Направляться, to head towards, to be on one's way