- sabaki 捌き・さばき
- action; handling
- sake 酒・さけ
- rice wine
- samurai 侍・さむらい
- samurai; Japanese warrior class
- san 三・さん
- three
- sankajo 三ヶ条・さんっかじょう
- older term for sankyo
- sankaku 三角・さんかく
- triangle
- sankakutai 三角体・さんかくたい
- triangle shape; position of the feet in hanmi
- sankyo 三教・さんきょう
- third teaching, pinning technique
Aikido Audio clip: Flash 9+ needed

- sannindori 三人取り・さんにんどり
- three attackers holding Nage
- sanningake 三人掛け・さんにんがけ
- three attackers rushing Nage
- sanpo 三方・さんぽう
- three directions
- saya 鞘・さや
- scabbard
- seika no itten 臍下の一点・せいかのいってん
- the one point below the navel (lower abdomen); the body center; also called tanden
- seiki 生気・せいき
- life energy
- seiza 正座・せいざ
- correct sitting, sit on knees
Aikido Audio clip: Flash 9+ needed

- sempai 先輩・せんぱい
- one’s senior, compare kohai
Aikido Audio clip: Flash 9+ needed
- sen no sen 先の先・せんのせん
- initiating at the same instant as an attack
- sensei 先生・せんせい
- teacher
Aikido Audio clip: Flash 9+ needed
- sensen no sen 先々の先・せんせんのせん
- initiating before the attack begins; a leading initiative
- seppuku 切腹・せっぷく
- cut belly; ritual suicide with sword; also called harakiri
- shi 四・し
- four, also pronounced yon
- shiai 試合・しあい
- competition or match; lit. meet and test. (死合) death match
- shiatsu 指圧・しあつ
- massage; finger pressure
- shichi 七・しち
- seven, also pronounced nana
- shidoin 指導員・しどういん
- instructor, middle title for Aikido teacher, 4-5 dan, compare fukushidoin and shihan
- shihan 師範・しはん
- expert example, high title for Aikido teacher, from 6 dan, compare fukushidoin and shidoin
- shiho 四方・しほう
- four directions
- shiho-giri 四方切り・しほうぎり
- ryotedori four-direction partner stretch (cf. shiho-nage)
- shihonage 四方投げ・しほうなげ
- four directions throw, throwing technique
Aikido Audio clip: Flash 9+ needed

- shikaku 四角・しかく
- square
- shikaku 死角・しかく
- dead angle; blind spot
- shikko 膝行・しっこう
- knee walking
Aikido Audio clip: Flash 9+ needed
- shime 締め・しめ
- choke
- shin 心・しん
- heart, will, mind, also pronounced kokoro
- shinai 竹刀・しない
- kendo sword of bamboo
- shinken 真剣・しんけん
- sharp authentic Japanese sword; as opposed to a dull or wooden sword
- shinto 神道・しんとう
- the way of the gods, Japanese religion
- shinzen 神前・しんぜん
- seat of the gods, in a dojo usually a position on the wall farthest from the entrance, compare kamiza and shomen
- shisei 姿勢・しせい
- posture
- shite 仕手・して
- the one leading, defender in Aikido, also called tori or nage
- shitsugai 膝蓋・しつがい
- knee cap, also called hiza no sara
- shizentai 自然体・しぜんたい
- natural body posture; relaxed, open attitude
- sho 初・しょ
- first, beginning
- shodan 初段・しょだん
- first dan grade
- shodo 書道・しょどう
- calligraphy
- shomen 正面・しょうめん
- front of the head
- shomen 正面・しょうめん
- head place of the dojo, compare shinzen and kamiza
Aikido Audio clip: Flash 9+ needed
- shomen ni rei 正面に礼・しょうめんにれい
- bow to head place of the dojo
- shomenuchi 正面打ち・しょうめんうち
- cut or blow to head
Aikido Audio clip: Flash 9+ needed
- shuho 手法・しゅほう
- method; the way to do something; cf. technique
- shoshinsha 初心者・しょしんしゃ
- beginner
- shuto 手刀・しゅとう
- hand ridge sword; also called tegatana

- sode 袖・そで
- sleeve
- sodedori 袖取り・そでどり
- sleeve grip
- sodeguchidori 袖口取り・そでぐちどり
- grip on the cuff of the sleeve
- soto 外・そと
- outside, outer, compare uchi
- sotodeshi 外弟子・そとでし
- student who lives outside the dojo, compare uchideshi
- sotokaiten 外回転・そとかいてん
- outer rotation, compare uchikaiten
- sotouke 外受け・そとうけ
- block from outside, compare uchiuke
- suburi 素振り・すぶり
- basic exercises with sword or staff
- suki 隙
- opening; gap; space
- sumi 角・すみ
- corner; also called kado
- sumiotoshi 角落とし・すみおとし
- corner drop/throw
Aikido Audio clip: Flash 9+ needed
- sumikiri 澄み切り・すみきり
- to be serene; sharpness of body and mind
- sumimasen 済みません・すみません
- excuse me
Aikido Audio clip: Flash 9+ needed
Aikido Audio clip: Flash 9+ needed
- sumo 相撲・すもう
- traditional Japanese wrestling
- suri 擦り・すり
- rub; scrape; chafe
- sutemi 捨て身・すてみ
- techniques with losing one’s own balance; throwing-away body
Aikido Audio clip: Flash 9+ needed
- suwariwaza 座り技・すわりわざ
- seated training
Aikido Audio clip: Flash 9+ needed
