Denshi Jisho — Online Japanese dictionary

是 ぜ righteousness; justice; right
Noun 
是 これ 1: (Usually written using kana alone) this (indicating an item near the speaker, the action of the speaker, or the current topic);
2: (Humble (kenjougo) language) this person (usu. indicating someone in one's in-group);
3: now;
4: (Archaism) here;
5: (Archaism) I (me);
6: (Archaism) certainly
Pronoun 
是非 ぜひ 1: (Usually written using kana alone) certainly; without fail;
2: right and wrong; pros and cons
Common word, Adverb, Noun 
是れ これ 1: (Usually written using kana alone) this (indicating an item near the speaker, the action of the speaker, or the current topic);
2: (Humble (kenjougo) language) this person (usu. indicating someone in one's in-group);
3: now;
4: (Archaism) here;
5: (Archaism) I (me);
6: (Archaism) certainly
Pronoun 
是正 ぜせい correction; revision
Common word, Noun, Suru verb 
是認 ぜにん approval
Common word, Noun, Suru verb, No-adjective 
是等 これら these
Pronoun, No-adjective, Usually written using kana alone 
是彼 これかれ 1: (Usually written using kana alone) this and that;
2: this person and that person; anybody
Noun 
是式 これしき trifle; insignificant thing; (only) this much
Noun, No-adjective, Usually written using kana alone 
是丈 これだけ so many (few); so much (little)
Expression, Usually written using kana alone 
是程 これほど so; so much; this much
Adverb, Noun, Usually written using kana alone 
是切り これきり 1: (Usually written using kana alone) last time (as of now); never again;
2: only this
Noun, Adverbial noun 
是切り これぎり 1: (Usually written using kana alone) last time (as of now); never again;
2: only this
Noun, Adverbial noun 
是非共 ぜひとも by all means (with sense of not taking "no" for an answer)
Adverb 
是非是非 ぜひぜひ certainly; by all means
Common word, Adverb, Usually written using kana alone 
是非とも ぜひとも by all means (with sense of not taking "no" for an answer)
Common word, Adverb 
是か非か ぜかひか right or wrong
Expression 
是々非々 ぜぜひひ free and unbiased; fair and just; ruling or judging what's right is right and what's wrong is wrong; calling spade a spade
Noun 
是是非非 ぜぜひひ free and unbiased; fair and just; ruling or judging what's right is right and what's wrong is wrong; calling spade a spade
Noun 
是非ない ぜひない unavoidable; inevitable
Adjective 
是非無い ぜひない unavoidable; inevitable
Adjective 
是位 これくらい this much; this amount
Noun, Adverb 
是位 これぐらい this much; this amount
Noun, Adverb 
是っ切り これっきり 1: (Usually written using kana alone) last time (as of now); never again;
2: only this
Noun, Adverbial noun 
是正措置 ぜせいそち corrective action (measure); rectification
Noun 
是が非でも ぜがひでも rightly or wrongly; by all possible means
Expression, Adverb 
是非もない ぜひもない unavoidable; inevitable
Expression 
是非も無い ぜひもない unavoidable; inevitable
Expression 
是非善悪 ぜひぜんあく rights and wrongs; the relative merits (of a case); propriety
Noun 
是非判断 ぜひはんだん discrimination of right and wrong; distinguishing between right and wrong
Noun 
是見よがし これみよがし for show; ostentatious; flaunting; showing off
No-adjective, Na-adjective 
是是非非主義 ぜぜひひしゅぎ principle of being fair and just; fair and unbiased policy (unbiassed)
Noun 
是非に及ばず ぜひにおよばず unavoidable; inevitable; cannot be helped; of necessity
Expression 
是生滅法 ぜしょうめっぽう the law of arising and ceasing; the law of creation and destruction
Expression, Buddhist term 
是非曲直 ぜひきょくちょく rights and wrongs (of a case); relative merits (of a case)
Noun 

Found 35 words.

You can also

Look up kanji details for 是.

Try a Yahoo Jisho search for 是 .
Try a Goo Jisho search for 是 .
Try a Google search for 是 .