内側(うちがわ)

うちがわ
noun
inside; inner side
1. inside; inner side; interior
The part that is within or facing inward.
ドアの内側(うちがわ)に鍵(かぎ)がある。
There is a lock on the inside of the door.
箱(はこ)の内側(うちがわ)を確認(かくにん)してください。
Please check the inside of the box.
カーブでは内側(うちがわ)を走(はし)ると早(はや)い。
Running on the inside of a curve is faster.

内側(うちがわ) refers to the inside, inner surface, or interior of something—the part that faces inward.

COMMON EXPRESSIONS:

  • 内側(うちがわ)から開(あ)ける: to open from the inside
  • 内側(うちがわ)に向(む)く: to face inward
  • 内側(うちがわ)を見(み)る: to look at the inside
  • 内側(うちがわ)に入(はい)る: to go inside

CONTRAST:

  • 内側(うちがわ): inside, inner side
  • 外側(そとがわ): outside, outer side

SIMILAR WORDS:

  • 中(なか): inside, within (more general)
  • 内部(ないぶ): interior (more formal/technical)
  • 裏(うら): back side, reverse side

USAGE:
内側(うちがわ) specifically emphasizes the side or surface facing inward, rather than the space within. Use 中(なか) for referring to the space inside something.

general
Added 2026.1.16 16:37 · Revised 2026.1.28 19:20
05000/05449_uchigawa