Out of gas is a phrase used to describe a situation when a vehicle has no more fuel and can no longer run. The crossword solutions for this term are TIRED (5 letters), BEAT (4 letters), SPENT (5 letters), SHOT (4 letters), HITTINGTHEWALL (14 letters), RUNNINGONEMPTY (14 letters), and GRINDINGTOAHALT (15 letters). These words all describe the feeling of exhaustion and depletion that comes with running out of gas, both literally and figuratively.