by far
• by a great amount.
• "this was by far the largest city in the area"
Similar:
by a great amount,
by a good deal,
by a long way/chalk/shot,
by a mile,
far and away,
undoubtedly,
doubtlessly,
without doubt,
without question,
decidedly,
markedly,
positively,
absolutely,
easily,
immeasurably,
significantly,
substantially,
appreciably,
noticeably,
materially,
beyond the shadow of a doubt,
much,
as sure as eggs is eggs,