Definitions

1. verb

to deprive of a nun’s habit or privileges, or to treat as if one were a nun, especially in a mocking or scornful way

“She accused the artist of nunnifying her with the stereotypical depiction.”

2. verb (rare or obsolete)

to convert to a nun or to the life of a nun

“The term nunnify is sometimes used to describe the conversion of a female to the life of a nun.”