広ひろさ

ひ

ろ

さ

Meanings

1

Refers to the spatial extent or surface area of a place, room, or object. Often used when describing how spacious something feels.

この部屋へやの広ひろさは約

やく

20

平へい

方ほう

メートル

です

。

The area of this room is about 20 square meters.

庭にわの広ひろさに驚おどろいた。

I was surprised by the size of the garden.

2

noun

width; breadth

Used when the focus is on the lateral dimension, such as the width of a road, river, or fabric. Often interchangeable with sense 1 in casual use, but more precise when contrasting with length or height.

この川かわの広ひろさはどのくらいですか。
How wide is this river?
道どう路ろの広ひろさを測はかる。
Measure the width of the road.

Usage patterns

〈場ば所しょ〉の広ひろさを測はかるto measure the area of a place
新あたらしい部屋へやの広ひろさを測はかった。
I measured the size of the new room.
〈数かず〉の広ひろさがあるto have an area of a certain size
この公こう園えんは1000平へい方ほうメートルの広ひろさがある。
This park has an area of 1,000 square meters.
広ひろさを感かんじるto feel a sense of spaciousness
天てん井じょうが高たかいので、部屋へやの広ひろさを感かんじる。
Because the ceiling is high, the room feels spacious.
広ひろさを誇ほこるto boast of one's/its spaciousness
そのホテルは客きゃく室しつの広ひろさを誇ほこっている。
That hotel prides itself on the spaciousness of its rooms.

Kanji

広wide, broad, spacious

Related words

面めん積せきN3sense 1
面積 is the precise, mathematical term for surface area used in official or technical measurements, while 広さ is the everyday word that can also convey a feeling of spaciousness.
幅はばN3sense 2
幅 refers specifically to the lateral width of something like a road or river, whereas 広さ can describe either overall area or width and is used more loosely.
大おおきさN1sense 1
大きさ refers to overall size or magnitude in any dimension, while 広さ focuses specifically on flat, spatial extent such as floor or land area.

Don't confuse with

広ひろがり
広さ is a static measurement of area or width, while 広がり describes the dynamic sense of spreading or extending outward.

Word family

度ど量りょうの広ひろさ
broad-mindedness; magnanimity; generosity of spirit

Etymology

Derived from the adjective 広い (ひろい, 'wide, spacious') by replacing the い ending with the nominalizing suffix さ, which turns adjectives into nouns expressing degree or extent.