1. by far - Adverb
2. by far - Phrase
by a considerable margin
Source: WordNetshe was by far the smartest student Source: Internet
it was far and away the best meal he had ever eaten Source: Internet
According to Belloc, the distributive state (the state which has implemented distributism) contains "an agglomeration of families of varying wealth, but by far the greater number of owners of the means of production." Source: Internet
A coexisting autoimmune liver disease, such as primary biliary cirrhosis or autoimmune hepatitis may also cause problems. citation ;Blood: Anemia is by far the most common abnormality of the blood cells which can be caused by a variety of mechanisms. Source: Internet
According to the band, the entire developmental process for Vapor Trails was extremely taxing and took approximately 14 months to finish, by far the longest the band had ever spent writing and recording a studio album. Source: Internet
A lack of access to temporary disability leave is by far the biggest driver of lost wages for workers across the issues analyzed in this column, highlighting the importance of taking a comprehensive approach to paid leave. Source: Internet