Onyomi: イチ, イツ · Kunyomi: ひと-, ひと.つ · Meanings: one, one radical (no.1)
Kanji for one, one radical no1
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Find visually similar kanji, commonly confused characters, related meanings, and useful words connected to 一.
The kanji 一 is the simplest of all — a single horizontal line representing the number one. In ancient times, it symbolized unity, the beginning, and the concept of “one-ness.” Despite its simplicity, it carries deep meaning: the start of counting, the foundation of all numbers, and the idea that everything begins from a single point.
A single straight line — 一 means one, the beginning, and the foundation of everything.
Picture a lone line stretching across — that’s 一, the number one, the start of all counting and the seed of everything.
| Word | Reading | Meaning | Meta |
|---|---|---|---|
| 一 | いち | one, 1 | common JLPT-N5 Numeric, Prefix |
| 一つ | ひとつ | one | common JLPT-N5 Numeric |
| 一 | ひと | one | common Prefix |
| 一 | いっち | most, best | Adverb (fukushi) |
| 一 | イー | one | Numeric |
| 一 | いつ | one | Numeric |
| 一致 | いっち | agreement, accord, correspondence, consistency, coincidence, match | common JLPT-N3 Noun, Suru verb, Intransitive verb |
| 一番 | いちばん | number one, first, first place | common JLPT-N3 JLPT-N5 Noun, Noun which may take the genitive case particle 'no' |
| 百 | ひゃく | hundred, 100 | common JLPT-N5 Numeric |
| 一緒 | いっしょ | (doing) together | common JLPT-N5 Noun |