Definition of topple verb from the Oxford Advanced Learner's Dictionary

     

    topple

     verb
    verb
    BrE BrE//ˈtɒpl//
     
    ; NAmE NAmE//ˈtɑːpl//
     
    Verb Forms present simple I / you / we / they topple
    BrE BrE//ˈtɒpl//
     
    ; NAmE NAmE//ˈtɑːpl//
     
    he / she / it topples
    BrE BrE//ˈtɒplz//
     
    ; NAmE NAmE//ˈtɑːplz//
     
    past simple toppled
    BrE BrE//ˈtɒpld//
     
    ; NAmE NAmE//ˈtɑːpld//
     
    past participle toppled
    BrE BrE//ˈtɒpld//
     
    ; NAmE NAmE//ˈtɑːpld//
     
    -ing form toppling
    BrE BrE//ˈtɒplɪŋ//
     
    ; NAmE NAmE//ˈtɑːplɪŋ//
     
     
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  1. 1[intransitive, transitive] to become unsteady and fall down; to make something do this + adv./prep. The pile of books toppled over. He toppled backwards into the river. topple somebody/something + adv./prep. He brushed past, toppling her from her stool.
  2. 2[transitive] topple somebody/something to make somebody lose their position of power or authority synonym overthrow a plot to topple the President
  3. Word Origin mid 16th cent. (in the sense ‘tumble about’): frequentative of the verb top.Extra examples She almost toppled from the ladder. She nearly toppled into the water. The huge pile of books toppled over. She led a campaign to topple the regime. The armed forces toppled the elected government in a bloodless coup. The church played an important role in toppling the Communist order in Poland.
See the Oxford Advanced American Dictionary entry: topple