adverb

Usually written with kana alone. Used for something or someone close to the speaker, including the speaker himself, or for the opinions of the speaker.
  1. in this way, thus, such.

interjection

Usually written with kana alone. Interjection used as a verbal pause.
  1. uh....

Variations

Pronunciation Kanji Kana Is Common
 
 
こう
 
斯う こう