Amok(adverb)
To suddenly become very angry or excited and start behaving violently, especially in a public place
Hindi meaning:निडर
Synonyms: Berserk, Possessed, Amuck, Demoniacal
Antonyms: Calmly, Normal, Balanced, Coolectedly
Example: He just might run amok again.
Trick to remember: Anek log amok hai. 
