unsisterly in a sentence

Definition

Unsisterly refers to behavior or actions that are unkind, unsupportive, or lacking in the affection typically expected between sisters.

Her unsisterly behavior during the argument made it clear that she had little regard for their bond.
It was surprising to see such unsisterly comments coming from someone who had always been supportive.
Feeling betrayed, she couldn't shake off the unsisterly feeling that had settled between them.
The unsisterly remarks left a bitter taste in the air, overshadowing their childhood memories.
Despite their history, her unsisterly actions suggested that she was ready to sever ties completely.