Kanji Library
Kanji VocabularyJLPT N1 › 凹

凹 — Concave

JLPT N15 strokesSecondary school#2206 most used
concave, hollow, sunken
On’yomiオウ (ou)
Kun’yomiくぼ (kubomu)
Kun’yomiへこ (hekomu)
Kun’yomiぼこ (boko)

Stroke order (5 strokes)

1 2 3 4 5

Watch the strokes draw themselves in the correct order — numbers mark where each stroke starts. Diagram from KanjiVG (CC BY-SA).

Common words using 凹

WordReadingMeaning
凹むへこむ
hekomu
to be dented; to be indented; to yield
凹みくぼみ
kubomi
hollow; cavity; dent
凸凹でこぼこ
dekoboko
unevenness; roughness; ruggedness
凹凸おうとつ
outotsu
unevenness; bumpiness; roughness

Study notes

凹 is a JLPT N1 kanji written with 5 strokes. It is taught at secondary-school level in Japan. Ranked #2206 of the 2,500 most frequent kanji in newspapers. On’yomi (音読み) are Chinese-derived readings mostly used in compound words; kun’yomi (訓読み) are native Japanese readings, with any highlighted part written in hiragana after the kanji (okurigana).

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