adverb

Usually written with kana alone. With neg. sentence.
  1. so much, so often, so long, particularly, especially.

interjection

Usually written with kana alone.
  1. oh, yes!, that's it, I remember. Said when recalling something.
  2. that's right, quite, indeed. Expressing agreement or affirmation.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
 
そうそう
 
 
然う然う そうそう