squashsquash1 /skwɑʃ, skwɔʃ/ ●●○ verb 1 [transitive] to press something into a flat shape, often damaging it: My hat got squashed on the flight.THESAURUSpress, crush, mash, grind, squeeze, compress, compact► see thesaurus at press12[intransitive, transitive] to push yourself or someone else into a space that is too small SYN squeeze: Seven of us squashed into the car.