Out cold is a term used to describe someone who is unconscious or UNAWARE of their surroundings. The crossword solutions for this term are UNAWARE (7 letters), COMATOSE (8 letters), OBLIVIOUS (9 letters), DEAD (4 letters), and SENSELESS (9 letters). UNAWARE means not having knowledge or understanding, COMATOSE refers to a state of deep unconsciousness, OBLIVIOUS means UNAWARE or unmindful of something, DEAD means no longer alive, and SENSELESS means lacking the power of sensation.