The term 'locked' can be described in four different ways using crossword solutions. The first is 'SHUT', which is a four letter word meaning to close something firmly. The second is 'CLOSED', which is a six letter word meaning to prevent access or movement. The third is 'tressed', which is a seven letter word meaning to tie or fasten securely. The last is 'closedup', which is an eight letter word meaning to SHUT tightly. All of these words describe the concept of being locked, or unable to open or move something.