Binding isn't Synonyms

Binding replaced

necessary isn't

mandatory isn't

essential isn't

Definitions for Binding

(adjective) executed with proper legal authority
(noun) the capacity to attract and hold something
(noun) the protective covering on the front, back , and spine of a book

BI abbreviation

BI is an abbreviation for Binding Isn't

What does BI stand for?

BI stands for "Binding Isn't"