king·dom 
/ˈkɪŋdəm/ noun
plural king·doms /ˈkɪŋdəm/ noun 1 [count] : a country whose ruler is a king or queen
▪ After Queen Mary I died, her half sister Elizabeth ruled the kingdom. ▪ the Kingdom of Jordan — often used figuratively ▪ He was one of the most successful planters in the cotton kingdom. ▪ The office is his own private kingdom. 2 [noncount] : the spiritual world of which God is king
▪ the kingdom of God/heaven 3 [count] : one of the three main divisions into which natural objects are classified
▪ the animal/mineral/plant kingdom
▪ After Queen Mary I died, her half sister Elizabeth ruled the kingdom. ▪ the Kingdom of Jordan — often used figuratively ▪ He was one of the most successful planters in the cotton kingdom. ▪ The office is his own private kingdom.
▪ the kingdom of God/heaven
▪ the animal/mineral/plant kingdom
to kingdom come
informal : to a state of complete destruction
▪ He took out his shotgun and threatened to blast/blow them all to kingdom come.
▪ He took out his shotgun and threatened to blast/blow them all to kingdom come.
