having or showing a very abnormal or sick state of mind the movie's villain was a just a clichÃ©d axe-wielding nutcase with a maniacal laugh Synonyms balmy, barmy [chiefly British], bats, batty, bedlam, bonkers, brainsick, bughouse [slang], certifiable, crackbrained, cracked, crackers, crackpot, cranky [dialect], crazed, crazy, cuckoo, daffy, daft, ...
His great empire stretched from central Russia down to the Aral Sea in the west, and from northern China down to Beijing in the east. On August 18, 1227, while putting down a revolt in the kingdom of Xi Xia, Genghis Khan died.
Genghis Khan dies. Genghis Khan, the Mongol leader who forged an empire stretching from the east coast of China west to the Aral Sea, dies in camp during a campaign against the Chinese kingdom of Xi Xia. The great Khan, who was over 60 and in failing health, may have succumbed to injuries incurred during a fall from a horse in the previous year.