親指（おやゆび、oyayubi）
- thumb

The word 親指 親指 means "thumb" in English. It refers to the first and typically largest digit on the human hand, located opposite the other four fingers. It plays a crucial role in grasping and manipulating objects.

⚫︎ 彼女は親指を立てて、私に「いいね！」と言いました。 Translation: She gave me a thumbs-up and said, "Good!" ⚫︎ このパズルを解くには、親指と人差し指を使います。 Translation: You use your thumb and index finger to solve this puzzle. ⚫︎ 彼は事故で親指を骨折しました。 Translation: He broke his thumb in the accident.

This word is used in everyday conversation, medical contexts, and any situation where you need to refer to the thumb. It is a common and essential word to know.

⚫︎ The word is typically written as 親指 using kanji. ⚫︎ The reading is おやゆび in hiragana. ⚫︎ There are no other common ways to write this word or significant variations in okurigana.

There are no direct synonyms for "thumb" in Japanese, as 親指 is the specific term.

There are no specific antonyms, but you could consider the other fingers, such as 人差し指(index finger), 中指(middle finger), etc.

この絵を描くには、親指を使って鉛筆を正しく持ちます。 ・Translation: To draw this picture, you use your thumb to hold the pencil correctly. ・Explanation: This sentence explains the action of using the thumb.

赤ちゃんは、親指を吸うのが好きです。 ・Translation: Babies like to suck their thumbs. ・Explanation: This sentence describes a common habit of babies.

The word 親指 親指 is composed of two parts: 親(oya) meaning "parent" or "main" and 指(yubi) meaning "finger". Therefore, 親指 literally translates to "parent finger," reflecting its position as the most important and prominent finger.