na-adjective, noun which may take the genitive case particle 'no', noun
distorted; warped; crooked; irregular
Describes something that is physically or metaphorically out of shape, not straight, or abnormal. Often used for shapes, faces, or situations.
この板はいびつで、まっすぐじゃない。
This board is warped and not straight.
彼の描いた円は少し歪だった。
The circle he drew was a bit distorted.
noun, na-adjective
Specifically refers to an oval or elliptical shape, often used for objects like mirrors or containers. Less common than sense 1.
この鏡はいびつな形をしている。
This mirror has an oval shape.
noun
round wooden rice container
A traditional round wooden container for cooked rice. Also called 飯櫃 (めしびつ). Rare in modern usage.
See also: 飯櫃 (めしびつ)
祖母はご飯をいびつに移して冷ました。
My grandmother transferred the rice to a wooden container to cool it down.
noun
oval coin
Historical term for an oval-shaped coin. Very rare; encountered mainly in historical contexts.
江戸時代にはいびつと呼ばれる楕円形の貨幣があった。
In the Edo period, there was an oval coin called ibitsu.
The origin is uncertain. Possibly related to 歪む (ゆがむ) or 歪み (ひずみ), but the exact derivation is unclear.