philander
verb (used without object)
(especially of a man) to have many casual sexual encounters or affairs, especially when married or in a committed relationship.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
If you had not gone and frightened her, they might have philandered on all this time, till the whole affair died of its own silliness.’
From Hopes and Fears or, scenes from the life of a spinster by Charlotte Mary Yonge