Home Dee Dee Word of the Day – Dec. 9 – Kibosh Dee Dee Word of the Day – Dec. 9 – Kibosh By Staff mB - December 9, 2011 975 Noun: Kibosh (KYE-bosh or KIH-bosh) Definition: Something that serves as a check or stop. Sample sentence: The economic downturn has put a kibosh on many peoples holiday shopping.