Entry
  1. Adverb (fukushi)

    at the very beginning of one's speech; immediately upon opening one's mouth (to speak); before anything else; first of all

    Yojijukugo (four character compound)

    会議の席で常務は、開口一番何を言ったと思う。大規模なリストラ計画を発表したんだよな。
    Guess what the managing director started off the meeting by saying. The first thing out of his mouth was an announcement of some major restructuring.
Pitch on OJAD

Characters in this word

4
Strokes: KanjiVG, CC BY-SA 3.0

open, unfold, unseal

Kun
ひら.くひら.き-びら.きひら.けるあ.くあ.ける
On
カイ
Strokes
12
Taught
Grade 3
JLPT
N4
Frequency
59 of 2500
Radical
gate
WaniKani
Level 10

Built from

Used in names as

はるひらき

Dictionary and index codes (34)
CodeReference
3-8-4SKIP code
8e4.6The Kanji Dictionary
7744.1Four corner code
3855deroo
958bUnicode hex code
1-19-11JIS X 0208-1997 kuten code
4950Classic Nelson (Andrew Nelson)
6393New Nelson (John Haig)
3321New Japanese-English Character Dictionary (Jack Halpern)
4121Kodansha Kanji Dictionary (Jack Halpern)
2092Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2835Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1622Remembering The Kanji (James Heisig)
1750Remembering The Kanji, 6th edition (James Heisig)
80A New Dictionary of Kanji Usage
1821Japanese Names (P.G. O’Neill)
550Essential Kanji (P.G. O’Neill)
41233Morohashi
241A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
396Kanji and Kana (Spahn and Hadamitzky)
400Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
171sakade
270Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
261henshall3
391Tuttle Kanji Cards (Alexander Kask)
290crowley
215Kanji in Context (Nishiguchi and Kono)
2.13busy_people
1840Kodansha Compact Kanji Guide
1636Les Kanjis dans la tête (Yves Maniette)
kai1Pinyin reading
gaeKorean reading
n4JLPT level (KANJIDIC2)
10WaniKani level
Strokes: KanjiVG, CC BY-SA 3.0

mouth

Kun
くち
On
コウ
Strokes
3
Taught
Grade 1
JLPT
N4
Frequency
284 of 2500
Radical
mouth
WaniKani
Level 1

Built from

Dictionary and index codes (34)
CodeReference
4-3-1, 3-3-0SKIP code
3d0.1The Kanji Dictionary
6000.0Four corner code
3777deroo
53e3Unicode hex code
1-24-93JIS X 0208-1997 kuten code
868Classic Nelson (Andrew Nelson)
685New Nelson (John Haig)
3382New Japanese-English Character Dictionary (Jack Halpern)
4189Kodansha Kanji Dictionary (Jack Halpern)
2119Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2865Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
11Remembering The Kanji (James Heisig)
11Remembering The Kanji, 6th edition (James Heisig)
213A New Dictionary of Kanji Usage
29Japanese Names (P.G. O’Neill)
38Essential Kanji (P.G. O’Neill)
3227Morohashi
20A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
54Kanji and Kana (Spahn and Hadamitzky)
54Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
27sakade
31Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
34henshall3
16Tuttle Kanji Cards (Alexander Kask)
200crowley
167Kanji in Context (Nishiguchi and Kono)
2.16busy_people
276Kodansha Compact Kanji Guide
11Les Kanjis dans la tête (Yves Maniette)
kou3Pinyin reading
guKorean reading
n4JLPT level (KANJIDIC2)
1WaniKani level
Strokes: KanjiVG, CC BY-SA 3.0

one, one radical (no.1)

Kun
ひと-ひと.つ
On
イチイツ
Strokes
1
Taught
Grade 1
JLPT
N5
Frequency
2 of 2500
Radical
one
WaniKani
Level 1

Built from

Used in names as

かずいっいるかつかづてんはじめひとつまこと

Dictionary and index codes (34)
CodeReference
4-1-4SKIP code
0a1.1The Kanji Dictionary
1000.0Four corner code
3072deroo
4e00Unicode hex code
1-16-76JIS X 0208-1997 kuten code
1Classic Nelson (Andrew Nelson)
1New Nelson (John Haig)
3341New Japanese-English Character Dictionary (Jack Halpern)
4148Kodansha Kanji Dictionary (Jack Halpern)
2105Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2850Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1Remembering The Kanji (James Heisig)
1Remembering The Kanji, 6th edition (James Heisig)
4A New Dictionary of Kanji Usage
3Japanese Names (P.G. O’Neill)
1Essential Kanji (P.G. O’Neill)
1Morohashi
1A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
2Kanji and Kana (Spahn and Hadamitzky)
2Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
1sakade
1Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
1henshall3
1Tuttle Kanji Cards (Alexander Kask)
1crowley
1Kanji in Context (Nishiguchi and Kono)
1.Abusy_people
1Kodansha Compact Kanji Guide
1Les Kanjis dans la tête (Yves Maniette)
yi1Pinyin reading
ilKorean reading
n5JLPT level (KANJIDIC2)
1WaniKani level
Strokes: KanjiVG, CC BY-SA 3.0

turn, number in a series

Kun
つが.い
On
バン
Strokes
12
Taught
Grade 2
JLPT
N3
Frequency
348 of 2500
Radical
field
WaniKani
Level 8

Built from

Used in names as

Dictionary and index codes (33)
CodeReference
2-7-5, 2-1-11, 4-11-3SKIP code
5f7.4The Kanji Dictionary
2060.9Four corner code
2276deroo
756aUnicode hex code
1-40-54JIS X 0208-1997 kuten code
4811Classic Nelson (Andrew Nelson)
3762New Nelson (John Haig)
2748New Japanese-English Character Dictionary (Jack Halpern)
3416Kodansha Kanji Dictionary (Jack Halpern)
1761Kodansha Kanji Learner’s Dictionary (Jack Halpern)
2396Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern)
1909Remembering The Kanji (James Heisig)
2058Remembering The Kanji, 6th edition (James Heisig)
323A New Dictionary of Kanji Usage
1773Japanese Names (P.G. O’Neill)
257Essential Kanji (P.G. O’Neill)
21858Morohashi
196A Guide To Remembering Japanese Characters (Kenneth G. Henshall)
185Kanji and Kana (Spahn and Hadamitzky)
185Kanji and Kana, 2nd Edition (Spahn and Hadamitzky)
306sakade
745Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki)
215henshall3
222Tuttle Kanji Cards (Alexander Kask)
551Kanji in Context (Nishiguchi and Kono)
2.9busy_people
1345Kodansha Compact Kanji Guide
1928Les Kanjis dans la tête (Yves Maniette)
fan1, pan1Pinyin reading
beon, banKorean reading
n3JLPT level (KANJIDIC2)
8WaniKani level