Nihoner

酸すう

すう · sui

i-adjective 連用形

is the masu-stem of 酸い — sour, acid.

Full entry for

How it’s built

酸い 酸う

Masu-stem (). The base for ます, たい and ながら, and the way to link two actions: 書き → 書きます.

This spelling is the version with う (sound change, mostly in polite or older speech).

酸い is a i-adjective, so it follows that pattern.

Name that form

Three more forms of . Can you tell what each one is?

Every form of

Negative 酸くないすくない
Past 酸かったすかった
Past negative 酸くなかったすくなかった
Te-form 酸くてすくて
Adverb 酸くすく
Before a noun 酸いすい
Ba-conditional 酸ければすければ
Tara-conditional 酸かったらすかったら
Become ~ 酸くなるすくなる
Too ~ 酸すぎるすすぎる

Drill every form in the Conjugation Dojo →

Other forms and spellings

酸けれ酸きゃ酸けりゃ酸かろ酸かろう酸かろふ酸い酸く酸かっ
masu-stem of 酸い