Denshi Jisho — Online Japanese dictionary

相手 あいて 1: companion; partner; company;
2: other party; addressee;
3: opponent (sports, etc.)
Common word, Noun 
相手 あいてかた other (opposite) party
Common word, Noun 
相手 あいてがた other (opposite) party
Noun 
相手 あいてこく partner country; other country (in some bilateral arrangement)
Noun 
相手 あいてさき the other party (usu. in business); person or party with whom you are dealing (on the other end)
Noun 
相手 あいてやく opposing role; partner
Noun 
相手取る あいてどる to take on an opponent; to challenge
Common word, Godan verb with ru ending, Transitive verb 
相手の目 あいてのめ the opponents territory
Noun 
相手次第 あいてしだい determining an attitude or response according to the opponent
Adverb 
相手にする あいてにする to keep company; to listen to; to associate with; to take notice of; to deal with; to play against (e.g. a team); to take on (e.g. a rival)
Expression, Suru verb - irregular 
相手をする あいてをする to keep company; to look after; to entertain; to play (a game) with
Expression, Suru verb - irregular 
相手が悪い あいてがわるい out of one's league; facing a too tough opponent; outclassed
Expression, Colloquialism 
相手にしない あいてにしない to ignore; to take no notice of; to give the cold shoulder to; to not associate with; to snub; to refuse to deal with
Expression, Adjective 
相手を負かす あいてをまかす to defeat one's opponent
Expression, Godan verb with su ending 
相手方当事者 あいてがたとうじしゃ adversary party; opposing party
Noun 
相手固定接続 あいてこていせつぞく permanent virtual connection; PVC
Noun, Computer terminology 
相手選択接続 あいてせんたくせつぞく switched virtual connection; SVC
Noun, Computer terminology 
相手先固定接続 あいてさきこていせつぞく Permanent Virtual Circuit; PVC
Noun, Computer terminology 
相手先選択接続 あいてさきせんたくせつぞく Switched Virtual Circuit; SVC
Noun, Computer terminology 
相手にとって不足はない あいてにとってふそくはない good match for an opponent; worthy (e.g. rival)
Expression 
相手選択接続機能 あいてせんたくせつぞくきのう virtual call facility
Noun, Computer terminology 

You can also

Look up kanji details for 相手.

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