Translation guide
The English word 'ball' covers several distinct concepts in Japanese. The most common is a spherical object used in sports or play (ボール). It can also refer to a formal dance party (舞踏会), a sphere or globe shape (球), or a testicle (金玉, slang). This guide helps learners choose the right word for each situation.
A round object used in games, sports, or as a toy.
The most common and general word for a ball used in sports or play. A loanword from English, used for baseballs, soccer balls, tennis balls, etc.
ボールを投げてください。
Please throw the ball.
子供たちは公園でボール遊びをしている。
The children are playing with a ball in the park.
A native Japanese word for 'ball' or 'sphere'. Often used in compound words or specific contexts like baseball (e.g., 速球, fastball). Can sound slightly more formal or technical than ボール.
彼は速球を投げた。
He threw a fastball.
A traditional Japanese handball or toy ball, often made of cloth or thread. Not used for modern sports balls.
祖母が手作りのまりをくれた。
My grandmother gave me a handmade traditional ball.
A large, formal social event with dancing.
The standard word for a ball as a formal dance event. Often associated with Western-style balls.
彼女は舞踏会で美しいドレスを着ていた。
She wore a beautiful dress at the ball.
A round, three-dimensional object or shape.
Used in scientific, mathematical, or formal contexts to mean a sphere or globe. Also appears in compounds like 地球 (the Earth).
地球は球体だ。
The Earth is a sphere.
Can mean a ball-shaped object, often small. Used in words like 目玉 (eyeball) or 雪玉 (snowball).
A testicle, used in vulgar or informal contexts.
Common slang for testicles. Literally 'gold balls'. Very informal, often used among men.
サッカーボールが金玉に当たった。
The soccer ball hit him in the balls.
Medical/anatomical term for testicles. Used in formal or clinical contexts.
Using ボール for a dance party will cause confusion. Always use 舞踏会 or ダンスパーティー for that meaning.
ボール is the default for sports balls. 球 (たま) is more common in compounds (e.g., 速球, 直球) or when emphasizing the spherical shape. Using 球 alone for a sports ball can sound old-fashioned or poetic.
A more casual term for a dance party, not necessarily as formal as a ball. Loanword from English.
学校でダンスパーティーが開かれた。
A dance party was held at school.
The child made a snowball.
睾丸の検査を受けた。
I had a testicular examination.