早い （はやい） fast, quick, rapid, swift, speedy, brisk, prompt, early, soon, earlier than usual, premature, too soon, too early, easy, simple, quick, fast, as soon as ..., the moment ..., the instant ...
Kanji
Jōyō kanji, Taught in junior high
JLPT level: N1
1577 of 2500 most used kanji in newspapers
Stroke count: 10
Meaning: rapidly
Kunyomi: はや.い
Onyomi: シツ
Composition: 疒 矢
疾
Radical
Radical: 疒
Meaning: sickness
疒
Examples
Onyomi Examples
疾雷 （シツライ） sudden and violent thunder
癈疾 （ハイシツ） disablement
廃疾 （ハイシツ） disablement, disability
Kunyomi Examples
早い （はやい） fast, quick, rapid, swift, speedy, brisk, prompt, early, soon, earlier than usual, premature, too soon, too early, easy, simple, quick, fast, as soon as ..., the moment ..., the instant ...