ピカピカ

• 読み: ピカピカ
• ローマ字: pika pika
• 発音: /pi.ka.pi.ka/

意味

Sparkling, shiny, or gleaming — describes something polished clean or brand new.

ピカピカ describes a bright, sparkling shine — freshly polished shoes, a brand new car, a spotlessly clean kitchen, or a child's beaming face. It conveys the visual impression of light reflecting off a clean or new surface. ピカピカの一年生 (sparkling first-grader) is a famous expression for brand-new elementary school students in April. The word is universally positive, implying pride, care, and newness.

例文

1. 車を洗ったらピカピカになった。
2. 新品のランドセルがピカピカで嬉しそう。
3. おばあちゃんの家はいつもピカピカに掃除されてる。

使い方ガイド

場面: cleanliness, new things, polishing, appearance

トーン: positive, proud, sparkling

正しい言い方

• ピカピカに磨いたよ (I polished it until it was sparkling)
• ピカピカの新車買ったんだ (I bought a brand-new shiny car)

避ける言い方

• 汚れたものに「ピカピカ」は皮肉に聞こえる (Calling something dirty 'pika pika' sounds sarcastic)

よくある間違い

• Not knowing ピカピカの一年生 — it's a famous song/expression for new first-graders every April
• Using ピカピカ for dim or soft light — it specifically means bright, reflective sparkling

起源と歴史

Traditional Japanese onomatopoeia (擬態語) imitating the visual flash of light reflecting off a surface. Related to 光る (hikaru, to shine). Also famously associated with Pikachu (ピカチュウ) from Pokémon, whose name combines ピカピカ with チュウ (the sound a mouse makes).

文化的背景

時代: Traditional onomatopoeia

世代: All ages

社会的背景: Universal

地域メモ: Used across all of Japan. Pikachu's name recognition has made ピカピカ possibly the most internationally known Japanese onomatopoeia.