What does “have an affair” mean?
To have an "affair" means to have a romantic relationship. In this case, it refers to having a short relationship or a fling. Having an "affair" also often refers to the act of one person in a relationship having another secret or forbidden relationship at the same time with someone else. Ex: They had a short love affair during the summer. Ex: He divorced his wife because she was having an affair with another man.
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