adverb

Usually written with kana alone.
  1. very, extremely, exceedingly, greatly, terribly.

adjectival noun or quasi-adjective

Usually written with kana alone.
  1. extreme, excessive, great many, large number of.
  2. splendid, impressive, tremendous, immense.
  3. exaggerated.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
たいそう
大層 たいそう
 
 
大そう たいそう