King of the Ghosts and Archenemy of Casper

This page is the CodyCross answer for the clue below from Student Life , Group 931, Puzzle 3 (Exercise Book).

Question is: King of the Ghosts and Archenemy of Casper

and the answer is: KIBOSH

Word Meaning:

KIBOSH — (slang) Chiefly in put on the kibosh or put the kibosh on: something which checks or restrains.

Definitions from Wiktionary.