打ち壊す;打ち毀す(rK);打ちこわす(sK);打壊す(sK) [うちこわす] /(v5s,vt) (1) (See ぶち壊す・1) to destroy/to break (by striking)/to smash (to pieces)/to knock down/(v5s,vt) (2) to ruin (e.g. a plan)/to wreck/to do away with (an old custom, ideology, etc.)/to overthrow (a system)/to dismantle/EntL2859185/