First opened Tuesday, March 20, 2007
一杯
いっぱい
Pitch accent: We don't have the data for this section. No accent list gives this spelling and reading, or the two we check against disagree.
full, to the utmost
Ippai, “full”, is literally 一 (ichi, “one”) plus 杯 (hai, “cupful”).
Taken apart
No breakdown is shown for this word: Wiktionary's text for it doesn't give a split that spells the word and joins to its reading, and any other split would be a guess.
In a sentence
一杯ください。
Give me a shot.
水を一杯下さい。
A glass of water, please.
Sentences are from Tatoeba (CC BY 2.0 FR), picked by fixed rules from a dated export and shown unchanged. Nobody has reviewed them one by one.
What Wiktionary says
Quoted line by line from Wiktionary's Etymology section for this reading, taken from one dated dump so it can't change underneath us. Nothing below is paraphrased.
- “From 一(いち) (ichi, “one”) + 杯(はい) (hai, “cupful”).”
Source: Wiktionary: 一杯 (dump of 2026-09-02), available under CC BY-SA 4.0. Reading, meaning and part of speech from JMdict, and kanji readings from KANJIDIC2 (EDRDG).