The term COMPLETELY UNCONSCIOUS can be summarized by two crossword solutions: GONE (4 letters) and OUTCOLD (7 letters). GONE is a term used to describe something that has disappeared or is no longer present. OUTCOLD is an informal term used to describe someone who has been knocked out or rendered unconscious, usually from a physical altercation. Together, these two terms can be used to describe someone who is completely unconscious, either from being knocked out or from some other cause.