深(ふか)さ

ふかさ
noun
depth
1. depth
The distance from the surface to the bottom, or the quality of being profound.
How deep is this pond?
To check the depth of the wound.
I was surprised by the depth of his knowledge.

深(ふか)さ is a noun meaning 'depth', derived from the adjective 深(ふか)い (deep) plus the nominalizing suffix さ.

Forms

深(ふか)い (adjective: deep) + さ (suffix) → 深(ふか)さ (noun: depth)

This pattern (i-adjective stem + さ) creates abstract nouns:

USAGE (physical depth):

USAGE (abstract depth):

Similar words

  • 深(ふか)さ: depth (vertical distance down, or profundity)
  • 奥行(おくゆ)き: depth (front-to-back distance)