対
1
contra;versus;entre;con;por;a
1
versus;against;vs.;v.
今日早稲田対慶応の試合がある。
There is going to be a game between Waseda and Keio today.
2
to (e.g. score of 4 to 2, ratio of 3 to 1, vote of 320 to 180)
used between numbers
試合は6対6で引き分けに終わった。
The match ended in a 6-6 draw.
3
toward ...;to ...;with ...;against ...;anti-
同社の昨年の対インド輸出は１億ドルに達した。
The company's exports to India amounted to $100 million last year.
4
equal footing;equal terms
5
opposite
Other forms
對 【たい】 (word containing out-dated kanji or kanji usage)