expression
by far; far and away; outstandingly
Used to emphasize that something is markedly superior or different from others in a group. Often modifies adjectives or verbs.
彼はクラスで飛抜けて背が高い。
He is by far the tallest in the class.
この店のラーメンは飛抜けて美味しい。
The ramen at this shop is far and away the most delicious.
From the verb 飛び抜ける (とびぬける, 'to be outstanding'), itself a compound of 飛ぶ (とぶ, 'to fly') and 抜ける (ぬける, 'to come out, to be omitted'). The adverbial form 飛抜けて is used to mean 'by far'.