1) Block 2) Fictional ghost 3) Figurative end 4) Forbid 5) Foreclose 6) Forestall 7) Halt 8) It stops things when put on 9) Nonsense 10) Preclude 11) Prevent 12) Restraining element 13) Slang for nonsense 14) Squelch 15) Stop 16) Stop from happening 17) Stopper 18) Stopper of things 19) To decisively terminate Found on https://www.crosswordclues.com/clue/kibosh
• (n.) Nonsense; stuff; also, fashion; style. • (n.) Portland cement when thrown or blown into the recesses of carved stonework to intensify the shadows. Found on http://thinkexist.com/dictionary/meaning/kibosh/
Ki'bosh noun 1. Nonsense; stuff; also, fashion; style. [ Slang] 2. Portland cement when thrown or blown into the recesses of carved stonework to intensify the shadows. To put the kibosh on , to do for; to dispose of. [ Slang] Found on http://www.encyclo.co.uk/webster/K/8