Impregnable exchange Synonyms

Definitions for Impregnable

(adjective) incapable of being defeated, overcome , or subdued
(adjective) impossible to get through or into
(adjective) immune to attack; incapable of being tampered with

IE abbreviation

IE is an abbreviation for Impregnable Exchange

What does IE stand for?

IE stands for "Impregnable Exchange"

Definitions for Exchange

(noun) a giving or taking of one thing of value in return for another
(noun) talking or a talk between two or more people
(verb) to give up (something) and take something else in return