()

こい
i-adjective
thick, dense, strong
Conjugation
AffirmativeNegative
Present()()くない
Past()かった()くなかった
て form()くて()くなくて
Adverbial()
Conditional ば()ければ()くなければ
Conditional たら()かったら()くなかったら
1. thick, dense
Having high concentration or intensity.
(きり)()い。
The fog is thick.
The makeup is heavy.
2. dark, deep (color)
Rich or intense in color.
Deep green leaves.
Dark-colored clothes.
This blue would be better a bit darker.
3. strong (flavor)
Having a pronounced taste.
()コーヒー
Strong coffee.
(あじ)()い。
The flavor is strong.
This miso soup is a bit strong, isn't it.

()い is an i-adjective meaning "thick," "dense," "dark" (color), or "strong" (flavor). It describes high concentration or intensity.

FORMS:

  • Adverbial: ()
  • Noun form: ()さ (thickness, density)

COMMON COLLOCATIONS:

  • ()(あじ): strong/rich flavor
  • ()いコーヒー: strong coffee
  • ()(いろ): dark color
  • 化粧(けしょう)()い: heavy makeup
  • 関係(かんけい)()い: close relationship

CONTRAST:

  • ()い: thick, dense, strong, dark
  • (うす)い: thin, light, weak, pale

USAGE: Can describe physical properties (density, color) or abstract qualities (relationships, experiences).