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The definition of fall down

2 Definitions of: fall down

    1. verb, to drop suddenly or collapse
    2. verb, to prove unsuccessful; fail
    3. Show me some examples of this word: fall down
    4. Show me the etymology of the word: fall down
Synonyms: fancy (Brit. informal), fail, disappoint, desire, buy (slang), accept, swallow (informal)
 

From Collins

©HarperCollins 2008. Collins English Dictionary definition of fall down