The term 'completely exhausted' can be described by the crossword solutions of 'SPENT, ' 'FRAZZLED, ' 'DEAD, ' 'allin, ' 'gassed, ' and 'DEADBEAT.' These words all describe a state of extreme physical and mental exhaustion, often caused by overworking or overexertion. 'SPENT' implies that all energy has been used up, while 'FRAZZLED' suggests a feeling of being overwhelmed and disorganized. 'DEAD' implies a lack of life or energy, and 'allin' suggests that all resources have been used up. 'Gassed' implies that one has been completely drained of energy, and 'DEADBEAT' implies that one is too tired to do anything. All of these words together paint a picture of someone who is completely exhausted.