: in opposition to (someone or something)
: in competition with (someone or something)
—used to indicate the person or thing that is affected or harmed by something
What made you want to look up against? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes