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.
After a glorious reign of thirty-four years, Kublai Khan died in Ta-tu in February 1294. He is regarded as one of the great rulers in history. He was a shrewd and thoughtful ruler of a huge state. He was popular among the Chinese, and his achievements ranked him second to Genghis among the Mongol rulers.