| 1509 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1786 | A New Dictionary of Kanji Usage |
| 3021 | Classic Nelson (Andrew Nelson) |
| 1601 | Essential Kanji (P.G. O’Neill) |
| 1542 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1514 | Kanji and Kana (Spahn and Hadamitzky) |
| 1615 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1826 | Kanji in Context (Nishiguchi and Kono) |
| 1346 | Kodansha Compact Kanji Guide |
| 1512 | Kodansha Kanji Dictionary (Jack Halpern) |
| 799 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1091 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1684 | Les Kanjis dans la tete (Yves Maniette) |
| 22002 | Morohashi |
| 1178 | New Japanese English Character Dictionary (Jack Halpern) |
| 3776 | New Nelson (John Haig) |
| 1668 | Remembering The Kanji (James Heisig) |
| 1797 | Remembering The Kanji, 6th edition (James Heisig) |
| 1568 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1572 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 疎 【ソ】 sparse, distant (of a relationship), estranged, alienated
- 疎開 【ソカイ】 evacuation (to the country), spreading out (troops), deployment, dispersal
- 過疎 【カソ】 underpopulation, low population density, depopulation
- 空疎 【クウソ】 empty (e.g. argument), insubstantial, hollow, fruitless
Kun reading compounds
- 疎い 【うとい】 distant (from someone), aloof, estranged, knowing little (of), ill-informed (about), ignorant (of), unfamiliar (with), unacquainted (with)
- 疎む 【うとむ】 to shun, to avoid, to ostracize, to neglect, to distance oneself from, to give the hard shoulder
- 疎ら 【まばら】 sparse, thin, scattered, straggling, sporadic
Readings
- Korean:
- so
Spanish
- descuidar
- desatender
- rehuir
- desinteresado
- descuidado
Portuguese
- desviar
- rude
- negligenciar
- evitar
- esparso
French
- négligence
- ignorer
- aliéner
- éviter
- grossier
- clairsemé
- épars
| 3564 | 2001 Kanji |
| 0a11.4 | The Kanji Dictionary |
| 1-5-7 | SKIP code |
| 1-4-7 | SKIP code |
| 1519.6 | Four corner code |
| 1-33-34 | JIS X 0208-1997 kuten code |
| 758e | Unicode hex code |
Jōyō kanji, taught in grade 6
JLPT level N1
815 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 密 【ミツ】 dense, thick, crowded, close (relationship), intimate, minute, fine, careful, secret, esoteric Buddhism, secret Buddhist teachings
- 密度 【ミツド】 density
- 濃密 【ノウミツ】 thick, dense, rich (as in taste or content), deep (colour), strong (smell, scent), crowded
- 細密 【サイミツ】 detailed knowledge, finely detailed
Kun reading compounds
- 密か 【ひそか】 secret, private, surreptitious
- 密か事 【みそかごと】 secret, private matter, amorous affair, liaison
Readings
- Korean:
- mil
Spanish
- denso
- concentrado
- minucioso
- preciso
- en secreto
Portuguese
- segredo
- densidade
- pormenor
- cuidado
French
- secret
- densité (population)
- minutieux
- consciencieux
| 990 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 978 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 858 | A New Dictionary of Kanji Usage |
| 1316 | Classic Nelson (Andrew Nelson) |
| 1118 | Essential Kanji (P.G. O’Neill) |
| 1214 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1713 | Japanese Names (P.G. O’Neill) |
| 806 | Kanji and Kana (Spahn and Hadamitzky) |
| 822 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1103 | Kanji in Context (Nishiguchi and Kono) |
| 489 | Kodansha Compact Kanji Guide |
| 2857 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1474 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1984 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 782 | Les Kanjis dans la tete (Yves Maniette) |
| 7205 | Morohashi |
| 2292 | New Japanese English Character Dictionary (Jack Halpern) |
| 1343 | New Nelson (John Haig) |
| 775 | Remembering The Kanji (James Heisig) |
| 837 | Remembering The Kanji, 6th edition (James Heisig) |
| 933 | Tuttle Kanji Cards (Alexander Kask) |
| 776 | 2001 Kanji |
| 3m8.5 | The Kanji Dictionary |
| 2-3-8 | SKIP code |
| 3077.2 | Four corner code |
| 1-44-09 | JIS X 0208-1997 kuten code |
| 5bc6 | Unicode hex code |
Jōyō kanji, taught in grade 3
JLPT level N2
740 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 波 【ハ】 counter for waves (of a repeated occurrence)
- 波及 【ハキュウ】 spread, extension, influence, aftereffect, ripple
- 低周波 【テイシュウハ】 low frequency
- 横波 【ヨコナミ】 transverse wave, beam sea
Kun reading compounds
- 波 【なみ】 wave, ups and downs
- 波間 【なみま】 interval between the waves, gap between waves
- 高波 【たかなみ】 high waves, heavy seas
- 横波 【よこなみ】 transverse wave, beam sea
Readings
- Japanese names:
- ひら、 みな、 みなみ、 わ
- Korean:
- pa
Spanish
- onda
- ola
- Polonia
Portuguese
- ondas
- vagas
- Polônia
French
- onde
- vague
- Pologne
| 298 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 387 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 367 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 606 | A New Dictionary of Kanji Usage |
| 2529 | Classic Nelson (Andrew Nelson) |
| 484 | Essential Kanji (P.G. O’Neill) |
| 677 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 596 | Japanese Names (P.G. O’Neill) |
| 666 | Kanji and Kana (Spahn and Hadamitzky) |
| 677 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 913 | Kanji in Context (Nishiguchi and Kono) |
| 1177 | Kodansha Compact Kanji Guide |
| 388 | Kodansha Kanji Dictionary (Jack Halpern) |
| 245 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 292 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 811 | Les Kanjis dans la tete (Yves Maniette) |
| 17308 | Morohashi |
| 330 | New Japanese English Character Dictionary (Jack Halpern) |
| 3101 | New Nelson (John Haig) |
| 803 | Remembering The Kanji (James Heisig) |
| 866 | Remembering The Kanji, 6th edition (James Heisig) |
| 309 | Tuttle Kanji Cards (Alexander Kask) |
| 367 | 2001 Kanji |
| 3a5.9 | The Kanji Dictionary |
| 1-3-5 | SKIP code |
| 3414.7 | Four corner code |
| 1-39-40 | JIS X 0208-1997 kuten code |
| 6ce2 | Unicode hex code |