Technical knockout. A technical knockout (TKO or T.K.O.), or stoppage, is declared when the referee or official ring physician decides during a round that a fighter cannot safely continue the match for any reason, without the need for an intervening count. ![What is TKO in Boxing? And is TKO as same as KO?](https://www.queryhome.com/sports/?qa=blob&qa_blobid=8755765559378308182)