The term 'stared open-mouthed' can be expressed in two different ways using crossword solutions. The first solution is 'GAPED, ' which is a five-letter word meaning to look with the mouth wide open, usually in surprise or shock. The second solution is 'GAWKED, ' which is a six-letter word meaning to stare in amazement or wonder. Both words describe the act of staring with an open mouth, usually in response to something unexpected or remarkable.