A solitude was tacitly created for her in the crowded existence of Bellomont, and her friends could not have shown a greater readiness for self-effacement had her wooing been adorned with all the attributes of romance.
There are no more uses of "self-effacing" in the book.
Show samples from other sources
Although she is shy and self-effacing, she is fiercely competitive.
Finnick’s real charms of self-effacing humor and an easygoing nature are on display for the first time.