wittol
/ˈwɪtəl/
noun
- A man who knows his wife is unfaithful to him but does not object or take action.
- No one respected the wittol, as he seemed content to look the other way.
- In the old play, the wittol ignores his wife's affairs to keep the peace at home.
- The townspeople whispered that he was a wittol, but he never confronted his wife.
Synonyms