By far definitions

by far

[adv] - by a considerable margin
Found on http://www.webdictionary.co.uk/definition.php?query=by%20far

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by far

far and away adverb by a considerable margin; `she was by far the smartest student`; `it was far and away the best meal he had ever eaten`
Found on https://www.encyclo.co.uk/local/20974

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