Denshi Jisho — Online Japanese dictionary

瀬 せ 1: shallows; shoal;
2: rapids; current; torrent;
3: position; place;
4: chance; opportunity
Common word, Noun 
畝 せ se (Japanese unit of area equal to 30 tsubo, ~99.174 m.sq.)
Common word, Noun, Obsolete term 
背 せ 1: back; spine;
2: reverse; rear side;
3: height;
4: ridge (of a mountain)
Common word, Noun 
世 よ world; society; age; generation
Common word, Noun 
湍 せ 1: shallows; shoal;
2: rapids; current; torrent;
3: position; place;
4: chance; opportunity
Noun 
脊 せ 1: back; spine;
2: reverse; rear side;
3: height;
4: ridge (of a mountain)
Noun 
諾 せ yes; all right; OK; okay
Interjection, Archaism 
セラ sera
Common word, Noun 
セル 1: cell;
2: serge
Common word, Noun 
セン stopper; bottle cap
Common word, Noun suffix 
セガ Sega
Noun, Computer terminology 
セス CES
Noun, Computer terminology 
せず without
Particle, Suffix 
せつ furuncle
Noun 
セミ cicada; locust
Noun 
せよ granted that; even if; even though
Expression 
セリ Java water dropwort (Oenanthe javanica); Japanese parsley
Noun, Usually written using kana alone 
せる 1: auxiliary verb indicating the causative;
2: (Humble (kenjougo) language) auxiliary verb indicating that one has been granted the permission to do something;
3: auxiliary verb used to make verbs more "active";
4: (Honorific or respectful language) auxiliary verb used as an extreme honorific for others' actions
Auxiliary verb, Ichidan verb 
セロ cello; violoncello
Noun 
制 せい system; organization; organisation; imperial command; laws; regulation; control; government; suppression; restraint; holding back; establishment
Common word, Noun, Noun suffix 
姓 せい 1: surname; family name;
2: hereditary title (used in ancient Japan to denote rank and political standing)
Common word, Noun 
性 せい 1: nature (of a person);
2: sex;
3: gender;
4: (Suffix) -ty; -ity; -ness; -cy
Common word, Noun 
正 せい 1: (logical) true; regular;
2: 10^40;
3: (Abbreviation) original;
4: (Mathematical term) positive; greater than zero
Common word, Noun, No-adjective 
精 せい 1: spirit; sprite; nymph;
2: energy; vigor (vigour); strength;
3: fine details;
4: semen
Common word, Noun 
背 せい height; stature
Common word, Noun 
製 せい -made; make
Common word, Noun, Noun suffix 

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