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to topple over and fall. Roger shook the table slightly, and the vase tipped over. The truck was overloaded and looked so heavy that I thought it would tip over.
tip someone over
to cause someone to fall. Oh! You almost tipped me over! Todd fell against Maggie and tipped her over.
tip something over
to cause something to fall over. Did you tip this chair over? Who tipped over the chair?
1. To totter and fall; overturn: The vase tipped over and water poured out across the table.
2. To cause something to totter and fall; cause something to overturn: The wind tipped over the sailboat. Don't stand up in the canoe, or you will tip it over.