| Ai-yotsu | Same grip used by both persons, either right or left |
| Ashi | Foot, leg |
| Ashi Waza | Foot techniques |
| Atemi Waza | Striking techniques |
| Ayumi Ashi | Ordinary pattern of walking |
| Batsugun | Instant promotion |
| Budo | Martial ways |
| Bujutsu | Martial arts |
| Bushido | Way of the warrior |
| Chui | Penalty (no longer used) |
| Dan | Black belt rank |
| Debana | Instant of opportunity to break balance as opponent initiates a motion |
| Dojo | School or training hall for studying the way |
| Eri | Collar, lapel |
| Fudoshin | Immovable spirit |
| Fusegi | Escapes |
| Fusen Gachi | Win by default |
| Goshin Jutsu | Art of self defense |
| Hajime | Begin |
| Hando no Kuzushi | Unbalancing by reaction |
| Hansoku-make | Most serious penalty, disqualification |
| Hantei | Referee call for judge’s decision |
| Happo no Kuzushi | Kuzushi in 8 directions |
| Hara | Stomach |
| Hidari | Left |
| Hiji | Elbow |
| Hiki-wake | No decision–tie or draw |
| Hikite | Pulling hand — usually the hand gripping a sleeve |
| Hiza | Knee |
| Ippon | Victory in one move, one point |
| Jigotai | Defensive posture |
| Jikan | Referee call to stop the clock |
| Jita Kyoei | Principle of mutual prosperity |
| Joseki | Place of honor, upper seat |
| Judo | Gentle or flexible way |
| Judo Ichidai | A Judo life–Spending one’s life in the diligent pursuit of Judo |
| Judogi | Judo practice uniform |
| Judoka | One who studies Judo |
| Ju no Kata | Forms of gentleness |
| Ju no Ri | Principle of flexibility or yielding |
| Jujutsu | Gentle art |
| Kaeshi Waza | Counter techniques |
| Kake | Completion or execution of technique |
| Kansetsu Waza | Joint locking techniques |
| Kappo | Resuscitation techniques |
| Kata | Forms |
| Kata | Shoulder |
| Katame no kata | Forms of grappling |
| Katsu | Resuscitation |
| Keikoku | Penalty (no longer used) |
| Kenka Yotsu | Opposite grips used by each person, one right/one left |
| Kiai | To gather spirit with a shout |
| Kime no Kata | Forms of decision |
| Kinshi Waza | Techniques prohibited in competition |
| Ki o tsuke | Attention |
| Kodansha | High ranking judoka — 5th dan and above |
| Kodokan | Judo institute in Tokyo where Judo was founded |
| Kogeki Seyo | Order for judoka to attack |
| Koka | Score less than a yuko |
| Koshi | Hip |
| Koshi Waza | Hip techniques |
| Kubi | Neck |
| Kumikata | Gripping methods |
| Kuzure | Modified hold |
| Kuzushi | Unbalancing the opponent |
| Kyoshi | Instructor |
| Kyu | Student rank |
| Maai | Space or engagement distance |
| Mae | Forward, front |
| Mae Sabaki | Frontal escape |
| Mae Ukemi | Falling forward |
| Masutemi Waza | Back sacrifice throws |
| Mate | Stop (wait) |
| Migi | Right |
| Mudansha | Students below black belt rank |
| Mune | Chest |
| Nage | Throw |
| Nage no Kata | Forms of throwing |
| Nagekomi | Repetitive throwing practice |
| Nage Waza | Throwing techniques |
| Ne Waza | Techniques on the ground |
| Obi | Judo belt |
| Okuden | Secret teachings |
| Osaekomi | Pin, referee call to begin timing |
| Osaekomi Waza | Pinning techniques |
| Osaekomi Toketa | Escape, stop timing of hold |
| Randori | Free practice |
| Randori no Kata | Forms of free practice techniques |
| Randori Waza | Techniques for free practice |
| Rei | Bow |
| Reiho | Forms of respect, manners, etiquette |
| Renraku Waza | Combination techniques |
| Ritsurei | Standing bow |
| Seika Tanden | A point in the abdomen that is the center of gravity |
| Seiryoku Zenyo | Principle of maximum efficiency |
| Seiza | Formal kneeling posture |
| Sen | Attack initiative |
| Sensei | Teacher, instructor |
| Shiai | Contest |
| Shiaijo | Competition area |
| Shido | Penalty, equal to koka score |
| Shihan | Title for a model teacher or “teacher who sets the standard” (i.e. Kano-shihan) |
| Shime Waza | Choking techniques |
| Shinpan | Referee |
| Shintai | Moving forwards, sideways & backwards |
| Shisei | Posture |
| Shizentai | Natural posture |
| Shomen | Dojo front |
| Sode | Sleeve |
| Soke | Founder of a martial art or ryu |
| Sono Mama | Stop action; command to freeze |
| Sore Made | Finished, time is up |
| Sute Geiko | Randori throwing practice against a higher level judoka |
| Sutemi Waza | Sacrifice techniques |
| Tachi Waza | Standing techniques |
| Tai Sabaki | Body control, turning |
| Tatami | Mat |
| Te | Hand, arm |
| Te Waza | Hand techniques |
| Tekubi | Wrist |
| Tokui Waza | Favorite or best technique |
| Tori | Person performing a technique |
| Tsugi Ashi | Walking by bringing one foot up to another |
| Tsukuri | Entry into a technique, positioning |
| Tsurite | Lifting hand |
| Uchikomi | Repeated practice without completion |
| Ude | Arm |
| Uke | Person receiving the technique |
| Ukemi | Breakfall techniques |
| Ushiro | Backward, rear |
| Ushiro Sabaki | Back movement control |
| Ushiro Ukemi | Falling backward |
| Waki | Armpit |
| Waza | Technique |
| Waza Ari | Near ippon or half point |
| Waza ari Awasete Ippon | Two waza-ari together for ippon |
| Yakusoku Geiko (or renshu) | Pre-arranged free practice |
| Yoko | Side |
| Yoko Kaiten Ukemi | Sideways rolling break fall |
| Yoko Sutemi Waza | Side sacrifice throws |
| Yoko Ukemi | Falling sideways |
| Yoshi | Resume action, continue |
| Yubi | Finger |
| Yudansha | Person who earned the black belt |
| Yudanshakai | Black belt association |
| Yuko | Score less than a waza-ari |
| Yusei Gachi | Win by judge’s decision |
| Zanshin | Awareness |
| Zarei | Kneeling salutation |
| Zenpo Kaiten Ukemi | Forward rolling break fall |
| Zubon | Pants |
1 – Ichi
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