Basic Guidelines For English Spellings
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See US English definition of against
See UK English definition of against
See Spanish definition of contra
1‘a number of delegates opened by saying that they were against the motion’
in favour of, pro
2‘he was swimming against the tide’
with, in the same direction as
3‘his age is against him’
advantageous to
4‘it is advisable to insure all oriental rugs against theft’
5‘she had to put up her umbrella against the rain’
6‘a group of men huddled round a fire, silhouetted against the orange flames’
7‘the exchange rate of the dollar against the yen’
8‘she leaned against the wall’