Boost up definitions

Boost up

1) Push ahead 2) Push from underneath
Found on https://www.crosswordclues.com/clue/boost-up

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boost up

[v] - push upward
Found on http://www.webdictionary.co.uk/definition.php?query=boost%20up

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boost up

verb push upward; `She pushed up her children when the policeman came by`
Found on https://www.encyclo.co.uk/local/20974

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