Denshi Jisho — Online Japanese dictionary

切 せつ eager; earnest; ardent; kind; keen; acute
Na-adjective, Noun 
切り きり 1: end; finish; stop;
2: bounds; limits;
3: delivery date (of a futures contract);
4: finale (of a noh song); end of an act (in joruri or kabuki); final performance of the day (in vaudeville);
5: () counter for slices (esp. thick slices); counter for cuts (e.g. fish, meat);
6: (Particle) (Usually written using kana alone) only; just;
7: (Usually written using kana alone) since;
8: (Usually written using kana alone) remaining (in a particular state)
Common word, Noun 
切る きる 1: to cut (usu. to cut through);
2: to sever (connections, ties);
3: to turn off (i.e. the light);
4: to terminate (i.e. a conversation); to hang up (the phone); to disconnect;
5: to punch (a ticket); to tear off (a stub);
6: to open (something sealed);
7: to start;
8: to set (a limit);
9: to reduce; to decrease; to discount;
10: to shake off (water, etc.); to let drip-dry (or drain);
11: to cross;
12: to do (something noticeable);
13: to turn (a vehicle);
14: to cut (the ball);
15: to shuffle (cards);
16: to trump;
17: (in Go) to isolate (an opponent's stone);
18: () (after the -masu stem of a verb) to finish; to complete
Common word, Suffix, Godan verb with ru ending, Transitive verb 
切れ きれ 1: piece; slice; strip; scrap;
2: cloth;
3: sharpness;
4: (Counter) counter for scraps, pieces, etc.
Common word, Noun 
切れ ぎれ completely using up ...; running out of ...; exhausting ...
Noun suffix 
切手 きって stamp (postage); merchandise certificate
Common word, Noun 
切符 きっぷ ticket
Common word, Noun 
切子 きりこ facet; facetted object
Noun 
切籠 きりこ facet; facetted object
Noun 
切端 きりは face (of a wall of coal or ore, etc.); working face (of a mine)
Noun 
切羽 きりは face (of a wall of coal or ore, etc.); working face (of a mine)
Noun 
切身 きりみ cut; slice (meat, fish); fillet
Noun 
切地 きれじ cloth; fabric
Noun 
切字 きれじ punctuation words in haiku, renga, etc. such as "ya", "kana", "keri", etc.
Noun 
切痔 きれじ anal fistula; bleeding hemorrhoids
Noun 
切手 きれて man of ability
Noun 
切目 きれめ break; pause; gap; end; rift; interruption; cut; section; notch; incision; end (of a task)
Noun 
切磋 せっさ polishing (stones); polishing (character)
Noun, Suru verb 
切歯 せっし 1: incisor tooth;
2: () grinding one's teeth; bruxism; gnashing of teeth
Noun, No-adjective 
切刃 せっぱ 1: thin washer on either side of the guard (tsuba) of a sword;
2: (up to) the hilt; wits' end
Noun 
切羽 せっぱ 1: thin washer on either side of the guard (tsuba) of a sword;
2: (up to) the hilt; wits' end
Noun 
切に せつに eagerly; earnestly; ardently
Adverb 
切らす きらす to be out of; to run out of; to be short of; to be out of stock
Common word, Godan verb with su ending, Transitive verb 
切れ目 きれめ break; pause; gap; end; rift; interruption; cut; section; notch; incision; end (of a task)
Common word, Noun 
切れる きれる 1: to break; to snap; to be cut; to split; to crack;
2: to be injured;
3: to wear out; to be worn out;
4: to break; to burst; to collapse;
5: to wear off; to stop working; to go dead;
6: to expire (time limit, etc.); to run out; to become due;
7: to run out (of stock, etc.); to be exhausted; to be used up; to be sold out; to be out of;
8: to be broken off (e.g. of a relationship); to break up; to have severed ties; to be cut off; to be disconnected;
9: to cut well; to be sharp;
10: to be sharp-minded; to be keen; to be shrewd; to be quick-witted; to be able;
11: to be short of; to drop under (a certain figure); to beat (e.g. a record time);
12: to dry off;
13: to curve; to veer;
14: to shuffle (cards);
15:
16: (Colloquialism) to get angry; to snap; to blow one's top; to lose one's temper; to flip; () to be able to do completely
Common word, Ichidan verb, Intransitive verb 
切らず きらず residue left after making tofu; bean curd lees
Noun 

Found 383 words. Page one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15

You can also

Look up kanji details for 切.

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