adverb, takes genitive case の, adjectival noun or quasi-adjective

Usually written with kana alone. 余 is ateji.
  1. very, greatly, much, considerably, to a large extent, quite.

adverb

Usually written with kana alone.
  1. just about to, almost, very nearly.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
よっぽど
 
余っ程 よっぽど