高いです

is high; is tall (in physical height), is expensive

→ 高い
phrase Common #7,972
is high; is tall (in physical height) Used for the height of a place or object, or a person’s stature—not its price.
JA: その建物は、日本で一番高いです。
EN: That building is the tallest in Japan.

トムは私より身長が高いです。

Tom is taller than me.

その建物は、日本で一番高いです。

That building is the tallest in Japan.

phrase Rare #38,260
is expensive Used to say that something costs a lot.
JA: このアパートは家賃が高いです。
EN: The rent for this apartment is expensive.

このアパートは家賃が高いです。

The rent for this apartment is high.

牛肉は肉の中で一番高いです。

Beef is the most expensive kind of meat.

ピアノは高いですが自動車はもっと高いです。

Pianos are expensive, but cars are even more expensive.

青いセーターより赤いセーターの方が高いですよ。

The red sweater is more expensive than the blue sweater.

ピアノは高いです。

Pianos are expensive.