Definitions

1. adjective

Unsuitable or incompatible with the state of being married or with a partner, often in a sexual sense.

“The term ‘unwifely’ is not commonly used in modern English, but it could describe an act that is inappropriate for a married woman.”

2. adverb

In a way that is unsuitable or incompatible with the state of being married or with a partner.

“He behaved unwifely towards his wife in public.”